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-rw-r--r--sci-libs/ViSP/metadata.xml2
-rw-r--r--sci-libs/adolc/metadata.xml2
-rw-r--r--sci-libs/alglib/metadata.xml2
-rw-r--r--sci-libs/amd/metadata.xml2
-rw-r--r--sci-libs/armadillo/metadata.xml2
-rw-r--r--sci-libs/arpack/metadata.xml2
-rw-r--r--sci-libs/arprec/metadata.xml2
-rw-r--r--sci-libs/atlas/metadata.xml2
-rw-r--r--sci-libs/avogadrolibs/metadata.xml2
-rw-r--r--sci-libs/beagle/metadata.xml2
-rw-r--r--sci-libs/blis/metadata.xml2
-rw-r--r--sci-libs/bliss/metadata.xml2
-rw-r--r--sci-libs/bmrblib/metadata.xml2
-rw-r--r--sci-libs/branca/metadata.xml2
-rw-r--r--sci-libs/brial/metadata.xml2
-rw-r--r--sci-libs/btf/metadata.xml2
-rw-r--r--sci-libs/buddy/metadata.xml2
-rw-r--r--sci-libs/camd/metadata.xml2
-rw-r--r--sci-libs/cantera/metadata.xml2
-rw-r--r--sci-libs/cartopy/metadata.xml2
-rw-r--r--sci-libs/ccfits/metadata.xml2
-rw-r--r--sci-libs/ccolamd/metadata.xml2
-rw-r--r--sci-libs/cdd+/metadata.xml2
-rw-r--r--sci-libs/cddlib/metadata.xml2
-rw-r--r--sci-libs/cdf/metadata.xml2
-rw-r--r--sci-libs/ceres-solver/metadata.xml2
-rw-r--r--sci-libs/cfitsio/metadata.xml2
-rw-r--r--sci-libs/cgcode/metadata.xml2
-rw-r--r--sci-libs/cgnslib/metadata.xml2
-rw-r--r--sci-libs/cholmod/metadata.xml2
-rw-r--r--sci-libs/cifparse-obj/metadata.xml2
-rw-r--r--sci-libs/clapack/metadata.xml2
-rw-r--r--sci-libs/clashscore-db/metadata.xml2
-rw-r--r--sci-libs/clblas/metadata.xml2
-rw-r--r--sci-libs/clblast/metadata.xml2
-rw-r--r--sci-libs/cln/metadata.xml2
-rw-r--r--sci-libs/cminpack/metadata.xml2
-rw-r--r--sci-libs/cmpfit/metadata.xml2
-rw-r--r--sci-libs/coinhsl/metadata.xml2
-rw-r--r--sci-libs/coinor-alps/metadata.xml2
-rw-r--r--sci-libs/coinor-bcp/metadata.xml2
-rw-r--r--sci-libs/coinor-bcps/metadata.xml2
-rw-r--r--sci-libs/coinor-blis/metadata.xml2
-rw-r--r--sci-libs/coinor-bonmin/metadata.xml2
-rw-r--r--sci-libs/coinor-cbc/metadata.xml2
-rw-r--r--sci-libs/coinor-cgl/metadata.xml2
-rw-r--r--sci-libs/coinor-clp/metadata.xml2
-rw-r--r--sci-libs/coinor-couenne/metadata.xml2
-rw-r--r--sci-libs/coinor-cppad/metadata.xml2
-rw-r--r--sci-libs/coinor-csdp/metadata.xml2
-rw-r--r--sci-libs/coinor-dip/metadata.xml2
-rw-r--r--sci-libs/coinor-dylp/metadata.xml2
-rw-r--r--sci-libs/coinor-flopcpp/metadata.xml2
-rw-r--r--sci-libs/coinor-mp/metadata.xml2
-rw-r--r--sci-libs/coinor-netlib/metadata.xml2
-rw-r--r--sci-libs/coinor-os/metadata.xml2
-rw-r--r--sci-libs/coinor-osi/metadata.xml2
-rw-r--r--sci-libs/coinor-sample/metadata.xml2
-rw-r--r--sci-libs/coinor-smi/metadata.xml2
-rw-r--r--sci-libs/coinor-symphony/metadata.xml2
-rw-r--r--sci-libs/coinor-utils/metadata.xml2
-rw-r--r--sci-libs/coinor-vol/metadata.xml2
-rw-r--r--sci-libs/colamd/metadata.xml2
-rw-r--r--sci-libs/colpack/metadata.xml2
-rw-r--r--sci-libs/cqrlib/metadata.xml2
-rw-r--r--sci-libs/cxsparse/metadata.xml2
-rw-r--r--sci-libs/dcmtk/metadata.xml2
-rw-r--r--sci-libs/dealii/metadata.xml2
-rw-r--r--sci-libs/djbfft/metadata.xml2
-rw-r--r--sci-libs/dlib/metadata.xml2
-rw-r--r--sci-libs/dmlc-core/metadata.xml2
-rw-r--r--sci-libs/dsdp/metadata.xml2
-rw-r--r--sci-libs/eccodes/metadata.xml2
-rw-r--r--sci-libs/exodusii/metadata.xml2
-rw-r--r--sci-libs/fcl/metadata.xml2
-rw-r--r--sci-libs/fetk/metadata.xml2
-rw-r--r--sci-libs/fflas-ffpack/metadata.xml2
-rw-r--r--sci-libs/fftw/metadata.xml2
-rw-r--r--sci-libs/flann/metadata.xml2
-rw-r--r--sci-libs/fplll/metadata.xml2
-rw-r--r--sci-libs/galib/metadata.xml2
-rw-r--r--sci-libs/gamer/metadata.xml2
-rw-r--r--sci-libs/gaul-devel/metadata.xml2
-rw-r--r--sci-libs/gdal/metadata.xml2
-rw-r--r--sci-libs/geos/metadata.xml2
-rw-r--r--sci-libs/gerris/metadata.xml2
-rw-r--r--sci-libs/getdata/metadata.xml2
-rw-r--r--sci-libs/ginkgo/metadata.xml2
-rw-r--r--sci-libs/givaro/metadata.xml2
-rw-r--r--sci-libs/gmsh/metadata.xml2
-rw-r--r--sci-libs/gsl/metadata.xml2
-rw-r--r--sci-libs/gts/metadata.xml2
-rw-r--r--sci-libs/h5hut/metadata.xml2
-rw-r--r--sci-libs/h5part/metadata.xml2
-rw-r--r--sci-libs/hdf/metadata.xml2
-rw-r--r--sci-libs/hdf5/metadata.xml2
-rw-r--r--sci-libs/hipCUB/metadata.xml2
-rw-r--r--sci-libs/hipSPARSE/metadata.xml2
-rw-r--r--sci-libs/htslib/metadata.xml2
-rw-r--r--sci-libs/hypre/metadata.xml2
-rw-r--r--sci-libs/idlcoyote/metadata.xml2
-rw-r--r--sci-libs/idlmarkwardt/metadata.xml2
-rw-r--r--sci-libs/ignition-common/metadata.xml2
-rw-r--r--sci-libs/ignition-fuel-tools/metadata.xml2
-rw-r--r--sci-libs/ignition-math/metadata.xml2
-rw-r--r--sci-libs/iml/metadata.xml2
-rw-r--r--sci-libs/inchi/metadata.xml2
-rw-r--r--sci-libs/indilib/metadata.xml2
-rw-r--r--sci-libs/io_lib/metadata.xml2
-rw-r--r--sci-libs/ipopt/metadata.xml2
-rw-r--r--sci-libs/itpp/metadata.xml2
-rw-r--r--sci-libs/jama/metadata.xml2
-rw-r--r--sci-libs/keras-applications/metadata.xml2
-rw-r--r--sci-libs/keras-preprocessing/metadata.xml2
-rw-r--r--sci-libs/kim-api/metadata.xml2
-rw-r--r--sci-libs/kissfft/metadata.xml2
-rw-r--r--sci-libs/klu/metadata.xml2
-rw-r--r--sci-libs/lapack/metadata.xml2
-rw-r--r--sci-libs/ldl/metadata.xml2
-rw-r--r--sci-libs/lemon/metadata.xml2
-rw-r--r--sci-libs/levmar/metadata.xml2
-rw-r--r--sci-libs/libaec/metadata.xml2
-rw-r--r--sci-libs/libbraiding/metadata.xml2
-rw-r--r--sci-libs/libbufr/metadata.xml2
-rw-r--r--sci-libs/libccd/metadata.xml2
-rw-r--r--sci-libs/libcerf/metadata.xml2
-rw-r--r--sci-libs/libcifpp/metadata.xml2
-rw-r--r--sci-libs/libcmatrix/metadata.xml2
-rw-r--r--sci-libs/libdap/metadata.xml2
-rw-r--r--sci-libs/libecpint/metadata.xml2
-rw-r--r--sci-libs/libexcelformat/metadata.xml2
-rw-r--r--sci-libs/libgenome/metadata.xml2
-rw-r--r--sci-libs/libgeodecomp/metadata.xml2
-rw-r--r--sci-libs/libgeotiff/metadata.xml2
-rw-r--r--sci-libs/libghemical/metadata.xml2
-rw-r--r--sci-libs/libh2o/metadata.xml2
-rw-r--r--sci-libs/libh2oxx/metadata.xml2
-rw-r--r--sci-libs/libhomfly/metadata.xml2
-rw-r--r--sci-libs/libigl/metadata.xml2
-rw-r--r--sci-libs/libint/metadata.xml2
-rw-r--r--sci-libs/libmems/metadata.xml2
-rw-r--r--sci-libs/libmuscle/metadata.xml2
-rw-r--r--sci-libs/libnova/metadata.xml2
-rw-r--r--sci-libs/liborigin/metadata.xml2
-rw-r--r--sci-libs/libpdb++/metadata.xml2
-rw-r--r--sci-libs/libpdb/metadata.xml2
-rw-r--r--sci-libs/libqalculate/metadata.xml2
-rw-r--r--sci-libs/libsc/metadata.xml2
-rw-r--r--sci-libs/libsigrok/metadata.xml2
-rw-r--r--sci-libs/libsigrokdecode/metadata.xml2
-rw-r--r--sci-libs/libspatialindex/metadata.xml2
-rw-r--r--sci-libs/libsvm/metadata.xml2
-rw-r--r--sci-libs/libticables2/metadata.xml2
-rw-r--r--sci-libs/libticalcs2/metadata.xml2
-rw-r--r--sci-libs/libticonv/metadata.xml2
-rw-r--r--sci-libs/libtifiles2/metadata.xml2
-rw-r--r--sci-libs/libxc/metadata.xml2
-rw-r--r--sci-libs/linbox/metadata.xml2
-rw-r--r--sci-libs/linux-gpib-modules/metadata.xml2
-rw-r--r--sci-libs/linux-gpib/metadata.xml2
-rw-r--r--sci-libs/lis/metadata.xml2
-rw-r--r--sci-libs/lmfit/metadata.xml2
-rw-r--r--sci-libs/lrslib/metadata.xml2
-rw-r--r--sci-libs/m4ri/metadata.xml2
-rw-r--r--sci-libs/m4rie/metadata.xml2
-rw-r--r--sci-libs/mathgl/metadata.xml2
-rw-r--r--sci-libs/matio/metadata.xml2
-rw-r--r--sci-libs/mc/metadata.xml2
-rw-r--r--sci-libs/med/metadata.xml2
-rw-r--r--sci-libs/metadata.xml2
-rw-r--r--sci-libs/metis/metadata.xml2
-rw-r--r--sci-libs/minuit/metadata.xml2
-rw-r--r--sci-libs/mkl/metadata.xml2
-rw-r--r--sci-libs/mpfi/metadata.xml2
-rw-r--r--sci-libs/mpir/metadata.xml2
-rw-r--r--sci-libs/mumps/metadata.xml2
-rw-r--r--sci-libs/nanoflann/metadata.xml2
-rw-r--r--sci-libs/neartree/metadata.xml2
-rw-r--r--sci-libs/nemesis/metadata.xml2
-rw-r--r--sci-libs/netcdf-cxx/metadata.xml2
-rw-r--r--sci-libs/netcdf-fortran/metadata.xml2
-rw-r--r--sci-libs/netcdf/metadata.xml2
-rw-r--r--sci-libs/nfft/metadata.xml2
-rw-r--r--sci-libs/nlopt/metadata.xml2
-rw-r--r--sci-libs/numkit/metadata.xml2
-rw-r--r--sci-libs/o2scl/metadata.xml2
-rw-r--r--sci-libs/oc/metadata.xml2
-rw-r--r--sci-libs/oce/metadata.xml2
-rw-r--r--sci-libs/octomap/metadata.xml2
-rw-r--r--sci-libs/ogdi/metadata.xml2
-rw-r--r--sci-libs/openblas/metadata.xml2
-rw-r--r--sci-libs/opencascade/metadata.xml2
-rw-r--r--sci-libs/openlibm/metadata.xml2
-rw-r--r--sci-libs/orocos-bfl/metadata.xml2
-rw-r--r--sci-libs/orocos_kdl/metadata.xml2
-rw-r--r--sci-libs/p4est/metadata.xml2
-rw-r--r--sci-libs/parmetis/metadata.xml2
-rw-r--r--sci-libs/pastix/metadata.xml2
-rw-r--r--sci-libs/pcl/metadata.xml2
-rw-r--r--sci-libs/pgplot/metadata.xml2
-rw-r--r--sci-libs/plplot/metadata.xml2
-rw-r--r--sci-libs/primegen/metadata.xml2
-rw-r--r--sci-libs/profnet/metadata.xml2
-rw-r--r--sci-libs/profphd-utils/metadata.xml2
-rw-r--r--sci-libs/proj/metadata.xml2
-rw-r--r--sci-libs/punc/metadata.xml2
-rw-r--r--sci-libs/pyshp/metadata.xml2
-rw-r--r--sci-libs/qd/metadata.xml2
-rw-r--r--sci-libs/qfits/metadata.xml2
-rw-r--r--sci-libs/qrupdate/metadata.xml2
-rw-r--r--sci-libs/rocBLAS/metadata.xml2
-rw-r--r--sci-libs/rocFFT/metadata.xml2
-rw-r--r--sci-libs/rocPRIM/metadata.xml2
-rw-r--r--sci-libs/rocRAND/metadata.xml2
-rw-r--r--sci-libs/rocSPARSE/metadata.xml2
-rw-r--r--sci-libs/rocThrust/metadata.xml2
-rw-r--r--sci-libs/rosetta-db/metadata.xml2
-rw-r--r--sci-libs/rtabmap/metadata.xml2
-rw-r--r--sci-libs/rtree/metadata.xml2
-rw-r--r--sci-libs/scalapack/metadata.xml2
-rw-r--r--sci-libs/scikit-image/metadata.xml2
-rw-r--r--sci-libs/scikit-learn/metadata.xml2
-rw-r--r--sci-libs/scikit-optimize/metadata.xml2
-rw-r--r--sci-libs/scotch/metadata.xml2
-rw-r--r--sci-libs/shapelib/metadata.xml2
-rw-r--r--sci-libs/shapely/metadata.xml2
-rw-r--r--sci-libs/silo/metadata.xml2
-rw-r--r--sci-libs/spglib/metadata.xml2
-rw-r--r--sci-libs/spqr/metadata.xml2
-rw-r--r--sci-libs/spr/metadata.xml2
-rw-r--r--sci-libs/stellarsolver/metadata.xml2
-rw-r--r--sci-libs/suitesparse/metadata.xml2
-rw-r--r--sci-libs/suitesparseconfig/metadata.xml2
-rw-r--r--sci-libs/sundials/metadata.xml2
-rw-r--r--sci-libs/superlu/metadata.xml2
-rw-r--r--sci-libs/superlu_mt/metadata.xml2
-rw-r--r--sci-libs/symengine/metadata.xml2
-rw-r--r--sci-libs/symmetrica/metadata.xml2
-rw-r--r--sci-libs/szip/metadata.xml2
-rw-r--r--sci-libs/ta-lib/metadata.xml2
-rw-r--r--sci-libs/tamu_anova/metadata.xml2
-rw-r--r--sci-libs/taucs/metadata.xml2
-rw-r--r--sci-libs/tensorflow-estimator/metadata.xml2
-rw-r--r--sci-libs/tensorflow/metadata.xml2
-rw-r--r--sci-libs/tnt/metadata.xml2
-rw-r--r--sci-libs/trilinos/metadata.xml2
-rw-r--r--sci-libs/udunits/metadata.xml2
-rw-r--r--sci-libs/ufconfig/metadata.xml2
-rw-r--r--sci-libs/umfpack/metadata.xml2
-rw-r--r--sci-libs/volk/metadata.xml2
-rw-r--r--sci-libs/voro++/metadata.xml2
-rw-r--r--sci-libs/votca-tools/metadata.xml2
-rw-r--r--sci-libs/vtk/metadata.xml2
-rw-r--r--sci-libs/xdmf2/metadata.xml2
-rw-r--r--sci-libs/xdrfile/metadata.xml2
-rw-r--r--sci-libs/xgks-pmel/metadata.xml2
-rw-r--r--sci-libs/xylib/metadata.xml2
257 files changed, 257 insertions, 257 deletions
diff --git a/sci-libs/ViSP/metadata.xml b/sci-libs/ViSP/metadata.xml
index 15ed30656d81..db83f034312a 100644
--- a/sci-libs/ViSP/metadata.xml
+++ b/sci-libs/ViSP/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>aballier@gentoo.org</email>
diff --git a/sci-libs/adolc/metadata.xml b/sci-libs/adolc/metadata.xml
index a8f7848ccb65..35349ad85072 100644
--- a/sci-libs/adolc/metadata.xml
+++ b/sci-libs/adolc/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/alglib/metadata.xml b/sci-libs/alglib/metadata.xml
index dc39a23a79e8..8b20dc66d969 100644
--- a/sci-libs/alglib/metadata.xml
+++ b/sci-libs/alglib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/amd/metadata.xml b/sci-libs/amd/metadata.xml
index 353c2f00738d..83c70170dba7 100644
--- a/sci-libs/amd/metadata.xml
+++ b/sci-libs/amd/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/armadillo/metadata.xml b/sci-libs/armadillo/metadata.xml
index 3daa0eb96588..08c60223686b 100644
--- a/sci-libs/armadillo/metadata.xml
+++ b/sci-libs/armadillo/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>dilfridge@gentoo.org</email>
diff --git a/sci-libs/arpack/metadata.xml b/sci-libs/arpack/metadata.xml
index f9395d1b28a4..881f489f25e1 100644
--- a/sci-libs/arpack/metadata.xml
+++ b/sci-libs/arpack/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/arprec/metadata.xml b/sci-libs/arprec/metadata.xml
index 467aaebf1fbc..45204a1f3242 100644
--- a/sci-libs/arprec/metadata.xml
+++ b/sci-libs/arprec/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/atlas/metadata.xml b/sci-libs/atlas/metadata.xml
index ac115a049487..d13459d3cf64 100644
--- a/sci-libs/atlas/metadata.xml
+++ b/sci-libs/atlas/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/avogadrolibs/metadata.xml b/sci-libs/avogadrolibs/metadata.xml
index b1ec1f75eb7d..672fc1a05040 100644
--- a/sci-libs/avogadrolibs/metadata.xml
+++ b/sci-libs/avogadrolibs/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-chemistry@gentoo.org</email>
diff --git a/sci-libs/beagle/metadata.xml b/sci-libs/beagle/metadata.xml
index ee5ba5812c39..61308c44d1d4 100644
--- a/sci-libs/beagle/metadata.xml
+++ b/sci-libs/beagle/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/blis/metadata.xml b/sci-libs/blis/metadata.xml
index 3d3415f6ffa4..0793096590bb 100644
--- a/sci-libs/blis/metadata.xml
+++ b/sci-libs/blis/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<upstream>
<bugs-to>https://github.com/flame/blis/issues/</bugs-to>
diff --git a/sci-libs/bliss/metadata.xml b/sci-libs/bliss/metadata.xml
index 9b3cd6685a18..9dea14695381 100644
--- a/sci-libs/bliss/metadata.xml
+++ b/sci-libs/bliss/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/bmrblib/metadata.xml b/sci-libs/bmrblib/metadata.xml
index 22a1302e8122..3883641649b8 100644
--- a/sci-libs/bmrblib/metadata.xml
+++ b/sci-libs/bmrblib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-chemistry@gentoo.org</email>
diff --git a/sci-libs/branca/metadata.xml b/sci-libs/branca/metadata.xml
index 6e83a06af3af..cd3cdb1c212a 100644
--- a/sci-libs/branca/metadata.xml
+++ b/sci-libs/branca/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>tupone@gentoo.org</email>
diff --git a/sci-libs/brial/metadata.xml b/sci-libs/brial/metadata.xml
index 4e680968fce6..e5158b9ea3e0 100644
--- a/sci-libs/brial/metadata.xml
+++ b/sci-libs/brial/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>mjo@gentoo.org</email>
diff --git a/sci-libs/btf/metadata.xml b/sci-libs/btf/metadata.xml
index 979bbfcfd49d..f15848939958 100644
--- a/sci-libs/btf/metadata.xml
+++ b/sci-libs/btf/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/buddy/metadata.xml b/sci-libs/buddy/metadata.xml
index 2cbfbe4b7bfa..5b9bcadddb14 100644
--- a/sci-libs/buddy/metadata.xml
+++ b/sci-libs/buddy/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/camd/metadata.xml b/sci-libs/camd/metadata.xml
index f543de2655de..820889737a26 100644
--- a/sci-libs/camd/metadata.xml
+++ b/sci-libs/camd/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/cantera/metadata.xml b/sci-libs/cantera/metadata.xml
index 689eb1c44d0f..919e8bf0ad40 100644
--- a/sci-libs/cantera/metadata.xml
+++ b/sci-libs/cantera/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person" proxied="yes">
<email>torokhov-s-a@yandex.ru</email>
diff --git a/sci-libs/cartopy/metadata.xml b/sci-libs/cartopy/metadata.xml
index 5bffb9050151..54adce33ba14 100644
--- a/sci-libs/cartopy/metadata.xml
+++ b/sci-libs/cartopy/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>tomjbe@gentoo.org</email>
diff --git a/sci-libs/ccfits/metadata.xml b/sci-libs/ccfits/metadata.xml
index e4f684da7916..6e2d138841ab 100644
--- a/sci-libs/ccfits/metadata.xml
+++ b/sci-libs/ccfits/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-astronomy@gentoo.org</email>
diff --git a/sci-libs/ccolamd/metadata.xml b/sci-libs/ccolamd/metadata.xml
index 23373de57a20..4054b1ae658f 100644
--- a/sci-libs/ccolamd/metadata.xml
+++ b/sci-libs/ccolamd/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/cdd+/metadata.xml b/sci-libs/cdd+/metadata.xml
index e793c504506a..16f304a6e4aa 100644
--- a/sci-libs/cdd+/metadata.xml
+++ b/sci-libs/cdd+/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-mathematics@gentoo.org</email>
diff --git a/sci-libs/cddlib/metadata.xml b/sci-libs/cddlib/metadata.xml
index 25012d0da04e..91e71ecbd13d 100644
--- a/sci-libs/cddlib/metadata.xml
+++ b/sci-libs/cddlib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>mjo@gentoo.org</email>
diff --git a/sci-libs/cdf/metadata.xml b/sci-libs/cdf/metadata.xml
index 1021bdd389ce..4114747d94a7 100644
--- a/sci-libs/cdf/metadata.xml
+++ b/sci-libs/cdf/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/ceres-solver/metadata.xml b/sci-libs/ceres-solver/metadata.xml
index 57c1a1394e07..731dd91a4d4f 100644
--- a/sci-libs/ceres-solver/metadata.xml
+++ b/sci-libs/ceres-solver/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/cfitsio/metadata.xml b/sci-libs/cfitsio/metadata.xml
index c25c3510d3a5..7524e3a95041 100644
--- a/sci-libs/cfitsio/metadata.xml
+++ b/sci-libs/cfitsio/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-astronomy@gentoo.org</email>
diff --git a/sci-libs/cgcode/metadata.xml b/sci-libs/cgcode/metadata.xml
index 8425c0d53cb0..7d3acaf5d252 100644
--- a/sci-libs/cgcode/metadata.xml
+++ b/sci-libs/cgcode/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/cgnslib/metadata.xml b/sci-libs/cgnslib/metadata.xml
index 855392f824c3..c797f2727eb4 100644
--- a/sci-libs/cgnslib/metadata.xml
+++ b/sci-libs/cgnslib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<longdescription lang="en">
The Computational Fluid Dynamics General Notation System (CGNS) provides a
diff --git a/sci-libs/cholmod/metadata.xml b/sci-libs/cholmod/metadata.xml
index 655cf27be61d..9ba80d3ef6cc 100644
--- a/sci-libs/cholmod/metadata.xml
+++ b/sci-libs/cholmod/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/cifparse-obj/metadata.xml b/sci-libs/cifparse-obj/metadata.xml
index 8937bad0b175..e490bcb8aa87 100644
--- a/sci-libs/cifparse-obj/metadata.xml
+++ b/sci-libs/cifparse-obj/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-chemistry@gentoo.org</email>
diff --git a/sci-libs/clapack/metadata.xml b/sci-libs/clapack/metadata.xml
index 5f899e3c2212..e78328f6b6a5 100644
--- a/sci-libs/clapack/metadata.xml
+++ b/sci-libs/clapack/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/clashscore-db/metadata.xml b/sci-libs/clashscore-db/metadata.xml
index 8937bad0b175..e490bcb8aa87 100644
--- a/sci-libs/clashscore-db/metadata.xml
+++ b/sci-libs/clashscore-db/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-chemistry@gentoo.org</email>
diff --git a/sci-libs/clblas/metadata.xml b/sci-libs/clblas/metadata.xml
index cad01ed8bce0..20731f32a8e9 100644
--- a/sci-libs/clblas/metadata.xml
+++ b/sci-libs/clblas/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/clblast/metadata.xml b/sci-libs/clblast/metadata.xml
index d5ff3a6625c9..e02c949bf653 100644
--- a/sci-libs/clblast/metadata.xml
+++ b/sci-libs/clblast/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/cln/metadata.xml b/sci-libs/cln/metadata.xml
index 3e1bd9fcb042..9e3c48a1e463 100644
--- a/sci-libs/cln/metadata.xml
+++ b/sci-libs/cln/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-mathematics@gentoo.org</email>
diff --git a/sci-libs/cminpack/metadata.xml b/sci-libs/cminpack/metadata.xml
index c80cc08e331c..00b08788bedc 100644
--- a/sci-libs/cminpack/metadata.xml
+++ b/sci-libs/cminpack/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/cmpfit/metadata.xml b/sci-libs/cmpfit/metadata.xml
index 11136c85eee4..df8582d0bfcc 100644
--- a/sci-libs/cmpfit/metadata.xml
+++ b/sci-libs/cmpfit/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinhsl/metadata.xml b/sci-libs/coinhsl/metadata.xml
index be3aa6566c49..8225fda14e49 100644
--- a/sci-libs/coinhsl/metadata.xml
+++ b/sci-libs/coinhsl/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-alps/metadata.xml b/sci-libs/coinor-alps/metadata.xml
index 6034b7e66d97..1bb91f861312 100644
--- a/sci-libs/coinor-alps/metadata.xml
+++ b/sci-libs/coinor-alps/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-bcp/metadata.xml b/sci-libs/coinor-bcp/metadata.xml
index c3a5ce296e0c..d88846c101e8 100644
--- a/sci-libs/coinor-bcp/metadata.xml
+++ b/sci-libs/coinor-bcp/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-bcps/metadata.xml b/sci-libs/coinor-bcps/metadata.xml
index e489508d975e..7fee4eba84f5 100644
--- a/sci-libs/coinor-bcps/metadata.xml
+++ b/sci-libs/coinor-bcps/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-blis/metadata.xml b/sci-libs/coinor-blis/metadata.xml
index 545a08d9a3c7..65866c853bea 100644
--- a/sci-libs/coinor-blis/metadata.xml
+++ b/sci-libs/coinor-blis/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-bonmin/metadata.xml b/sci-libs/coinor-bonmin/metadata.xml
index 8f8219cb4317..98d7158cc33a 100644
--- a/sci-libs/coinor-bonmin/metadata.xml
+++ b/sci-libs/coinor-bonmin/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-cbc/metadata.xml b/sci-libs/coinor-cbc/metadata.xml
index 24b280f305a5..68443e3b8b18 100644
--- a/sci-libs/coinor-cbc/metadata.xml
+++ b/sci-libs/coinor-cbc/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-cgl/metadata.xml b/sci-libs/coinor-cgl/metadata.xml
index d3478ff5d458..fb5abb11ea49 100644
--- a/sci-libs/coinor-cgl/metadata.xml
+++ b/sci-libs/coinor-cgl/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-clp/metadata.xml b/sci-libs/coinor-clp/metadata.xml
index 00d23848636c..8a5bed6e5bac 100644
--- a/sci-libs/coinor-clp/metadata.xml
+++ b/sci-libs/coinor-clp/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-couenne/metadata.xml b/sci-libs/coinor-couenne/metadata.xml
index 521131367170..e5191e273e83 100644
--- a/sci-libs/coinor-couenne/metadata.xml
+++ b/sci-libs/coinor-couenne/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-cppad/metadata.xml b/sci-libs/coinor-cppad/metadata.xml
index be6da625a6d1..9e373643ab83 100644
--- a/sci-libs/coinor-cppad/metadata.xml
+++ b/sci-libs/coinor-cppad/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-csdp/metadata.xml b/sci-libs/coinor-csdp/metadata.xml
index 1fa24bb63b73..19747ce777f5 100644
--- a/sci-libs/coinor-csdp/metadata.xml
+++ b/sci-libs/coinor-csdp/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-dip/metadata.xml b/sci-libs/coinor-dip/metadata.xml
index 3e01e7eaf8d9..6f9a1359dff0 100644
--- a/sci-libs/coinor-dip/metadata.xml
+++ b/sci-libs/coinor-dip/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-dylp/metadata.xml b/sci-libs/coinor-dylp/metadata.xml
index 0766bb7d9751..2829ababa7e6 100644
--- a/sci-libs/coinor-dylp/metadata.xml
+++ b/sci-libs/coinor-dylp/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-flopcpp/metadata.xml b/sci-libs/coinor-flopcpp/metadata.xml
index f3edc8d69d42..71cd1bc29c42 100644
--- a/sci-libs/coinor-flopcpp/metadata.xml
+++ b/sci-libs/coinor-flopcpp/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-mp/metadata.xml b/sci-libs/coinor-mp/metadata.xml
index 3ca43d16de05..7eeed3b865df 100644
--- a/sci-libs/coinor-mp/metadata.xml
+++ b/sci-libs/coinor-mp/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-netlib/metadata.xml b/sci-libs/coinor-netlib/metadata.xml
index 8069fbe2d1ab..98c002b80d81 100644
--- a/sci-libs/coinor-netlib/metadata.xml
+++ b/sci-libs/coinor-netlib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-os/metadata.xml b/sci-libs/coinor-os/metadata.xml
index 4dcb4259431e..ba6fc02b9b6f 100644
--- a/sci-libs/coinor-os/metadata.xml
+++ b/sci-libs/coinor-os/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-osi/metadata.xml b/sci-libs/coinor-osi/metadata.xml
index af6af3b5df7c..03d23c939f98 100644
--- a/sci-libs/coinor-osi/metadata.xml
+++ b/sci-libs/coinor-osi/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-sample/metadata.xml b/sci-libs/coinor-sample/metadata.xml
index 0c216ec09f0e..d8eb623fac0e 100644
--- a/sci-libs/coinor-sample/metadata.xml
+++ b/sci-libs/coinor-sample/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-smi/metadata.xml b/sci-libs/coinor-smi/metadata.xml
index 79fdb8913b5e..190db663c340 100644
--- a/sci-libs/coinor-smi/metadata.xml
+++ b/sci-libs/coinor-smi/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-symphony/metadata.xml b/sci-libs/coinor-symphony/metadata.xml
index cecafbcc0904..f9f4b36e6d14 100644
--- a/sci-libs/coinor-symphony/metadata.xml
+++ b/sci-libs/coinor-symphony/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-utils/metadata.xml b/sci-libs/coinor-utils/metadata.xml
index c4ba4a30fb7c..1068aea82b3a 100644
--- a/sci-libs/coinor-utils/metadata.xml
+++ b/sci-libs/coinor-utils/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/coinor-vol/metadata.xml b/sci-libs/coinor-vol/metadata.xml
index 3281553a97d6..2a2dd8db1338 100644
--- a/sci-libs/coinor-vol/metadata.xml
+++ b/sci-libs/coinor-vol/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/colamd/metadata.xml b/sci-libs/colamd/metadata.xml
index 73165658cfd6..3e7a071b27b5 100644
--- a/sci-libs/colamd/metadata.xml
+++ b/sci-libs/colamd/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/colpack/metadata.xml b/sci-libs/colpack/metadata.xml
index c9aa068b01c3..8eda231bb12f 100644
--- a/sci-libs/colpack/metadata.xml
+++ b/sci-libs/colpack/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/cqrlib/metadata.xml b/sci-libs/cqrlib/metadata.xml
index 6973deae4ff2..5bc340b2ec67 100644
--- a/sci-libs/cqrlib/metadata.xml
+++ b/sci-libs/cqrlib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/cxsparse/metadata.xml b/sci-libs/cxsparse/metadata.xml
index 9c8288966627..2aa4c4bf0fff 100644
--- a/sci-libs/cxsparse/metadata.xml
+++ b/sci-libs/cxsparse/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/dcmtk/metadata.xml b/sci-libs/dcmtk/metadata.xml
index 2752b81d42f0..de52092e6f7b 100644
--- a/sci-libs/dcmtk/metadata.xml
+++ b/sci-libs/dcmtk/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-biology@gentoo.org</email>
diff --git a/sci-libs/dealii/metadata.xml b/sci-libs/dealii/metadata.xml
index 6bb4348a7cda..e863c0a535ef 100644
--- a/sci-libs/dealii/metadata.xml
+++ b/sci-libs/dealii/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>tamiko@gentoo.org</email>
diff --git a/sci-libs/djbfft/metadata.xml b/sci-libs/djbfft/metadata.xml
index bd31424acb95..21a08e24f18b 100644
--- a/sci-libs/djbfft/metadata.xml
+++ b/sci-libs/djbfft/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/dlib/metadata.xml b/sci-libs/dlib/metadata.xml
index 97d198eb46be..8acdef00ba04 100644
--- a/sci-libs/dlib/metadata.xml
+++ b/sci-libs/dlib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/dmlc-core/metadata.xml b/sci-libs/dmlc-core/metadata.xml
index a9cd5175551b..30a6ba0ac2dc 100644
--- a/sci-libs/dmlc-core/metadata.xml
+++ b/sci-libs/dmlc-core/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-mathematics@gentoo.org</email>
diff --git a/sci-libs/dsdp/metadata.xml b/sci-libs/dsdp/metadata.xml
index c7207ec72d72..fc2701d4632f 100644
--- a/sci-libs/dsdp/metadata.xml
+++ b/sci-libs/dsdp/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/eccodes/metadata.xml b/sci-libs/eccodes/metadata.xml
index a59cfc2a5284..5f5824a4a467 100644
--- a/sci-libs/eccodes/metadata.xml
+++ b/sci-libs/eccodes/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>nerdboy@gentoo.org</email>
diff --git a/sci-libs/exodusii/metadata.xml b/sci-libs/exodusii/metadata.xml
index b6f57a347068..ce515d40ff39 100644
--- a/sci-libs/exodusii/metadata.xml
+++ b/sci-libs/exodusii/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/fcl/metadata.xml b/sci-libs/fcl/metadata.xml
index 35079633a42a..5aa75fb27999 100644
--- a/sci-libs/fcl/metadata.xml
+++ b/sci-libs/fcl/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>aballier@gentoo.org</email>
diff --git a/sci-libs/fetk/metadata.xml b/sci-libs/fetk/metadata.xml
index d9c1802ed751..089b89e0dcf6 100644
--- a/sci-libs/fetk/metadata.xml
+++ b/sci-libs/fetk/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-chemistry@gentoo.org</email>
diff --git a/sci-libs/fflas-ffpack/metadata.xml b/sci-libs/fflas-ffpack/metadata.xml
index a12fc81f426a..3dd66b794a30 100644
--- a/sci-libs/fflas-ffpack/metadata.xml
+++ b/sci-libs/fflas-ffpack/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>mjo@gentoo.org</email>
diff --git a/sci-libs/fftw/metadata.xml b/sci-libs/fftw/metadata.xml
index bf126e2d0802..1a94d1573c47 100644
--- a/sci-libs/fftw/metadata.xml
+++ b/sci-libs/fftw/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/flann/metadata.xml b/sci-libs/flann/metadata.xml
index 176a3633b941..a90e992e1916 100644
--- a/sci-libs/flann/metadata.xml
+++ b/sci-libs/flann/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/fplll/metadata.xml b/sci-libs/fplll/metadata.xml
index c23c111ba1fd..7ea4c6f6f502 100644
--- a/sci-libs/fplll/metadata.xml
+++ b/sci-libs/fplll/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>mjo@gentoo.org</email>
diff --git a/sci-libs/galib/metadata.xml b/sci-libs/galib/metadata.xml
index c5d86554ee6d..3f4942881286 100644
--- a/sci-libs/galib/metadata.xml
+++ b/sci-libs/galib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/gamer/metadata.xml b/sci-libs/gamer/metadata.xml
index 8425c0d53cb0..7d3acaf5d252 100644
--- a/sci-libs/gamer/metadata.xml
+++ b/sci-libs/gamer/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/gaul-devel/metadata.xml b/sci-libs/gaul-devel/metadata.xml
index 3bbf26aecb84..fadab9874280 100644
--- a/sci-libs/gaul-devel/metadata.xml
+++ b/sci-libs/gaul-devel/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/gdal/metadata.xml b/sci-libs/gdal/metadata.xml
index 2c386a679fc6..f505485ec713 100644
--- a/sci-libs/gdal/metadata.xml
+++ b/sci-libs/gdal/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-geosciences@gentoo.org</email>
diff --git a/sci-libs/geos/metadata.xml b/sci-libs/geos/metadata.xml
index ff68ab052ff5..0999c9f48f93 100644
--- a/sci-libs/geos/metadata.xml
+++ b/sci-libs/geos/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-geosciences@gentoo.org</email>
diff --git a/sci-libs/gerris/metadata.xml b/sci-libs/gerris/metadata.xml
index cbf216a39022..31d103bb29c9 100644
--- a/sci-libs/gerris/metadata.xml
+++ b/sci-libs/gerris/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/getdata/metadata.xml b/sci-libs/getdata/metadata.xml
index 7a03fbedeac4..b968be6857d7 100644
--- a/sci-libs/getdata/metadata.xml
+++ b/sci-libs/getdata/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/ginkgo/metadata.xml b/sci-libs/ginkgo/metadata.xml
index 2b6a2c10b332..604252f3caf9 100644
--- a/sci-libs/ginkgo/metadata.xml
+++ b/sci-libs/ginkgo/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>tamiko@gentoo.org</email>
diff --git a/sci-libs/givaro/metadata.xml b/sci-libs/givaro/metadata.xml
index 3172f8a01023..91e58ef1027b 100644
--- a/sci-libs/givaro/metadata.xml
+++ b/sci-libs/givaro/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>mjo@gentoo.org</email>
diff --git a/sci-libs/gmsh/metadata.xml b/sci-libs/gmsh/metadata.xml
index 20c781af95c5..4b35b67a85cd 100644
--- a/sci-libs/gmsh/metadata.xml
+++ b/sci-libs/gmsh/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>tamiko@gentoo.org</email>
diff --git a/sci-libs/gsl/metadata.xml b/sci-libs/gsl/metadata.xml
index 4a8296b2f944..bc6b9fcfdd1e 100644
--- a/sci-libs/gsl/metadata.xml
+++ b/sci-libs/gsl/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/gts/metadata.xml b/sci-libs/gts/metadata.xml
index 9980dad1bf17..dab9c96e6331 100644
--- a/sci-libs/gts/metadata.xml
+++ b/sci-libs/gts/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/h5hut/metadata.xml b/sci-libs/h5hut/metadata.xml
index 903883b48f16..125513d74f67 100644
--- a/sci-libs/h5hut/metadata.xml
+++ b/sci-libs/h5hut/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>junghans@gentoo.org</email>
diff --git a/sci-libs/h5part/metadata.xml b/sci-libs/h5part/metadata.xml
index 903883b48f16..125513d74f67 100644
--- a/sci-libs/h5part/metadata.xml
+++ b/sci-libs/h5part/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>junghans@gentoo.org</email>
diff --git a/sci-libs/hdf/metadata.xml b/sci-libs/hdf/metadata.xml
index fedc7089f83e..15ed11bf8172 100644
--- a/sci-libs/hdf/metadata.xml
+++ b/sci-libs/hdf/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/hdf5/metadata.xml b/sci-libs/hdf5/metadata.xml
index 2fa4f45de1bb..ea5ba62b798f 100644
--- a/sci-libs/hdf5/metadata.xml
+++ b/sci-libs/hdf5/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/hipCUB/metadata.xml b/sci-libs/hipCUB/metadata.xml
index d9e9ab75810f..427b06185367 100644
--- a/sci-libs/hipCUB/metadata.xml
+++ b/sci-libs/hipCUB/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/hipSPARSE/metadata.xml b/sci-libs/hipSPARSE/metadata.xml
index 9759bea23f0b..693bc03ef766 100644
--- a/sci-libs/hipSPARSE/metadata.xml
+++ b/sci-libs/hipSPARSE/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/htslib/metadata.xml b/sci-libs/htslib/metadata.xml
index 5b953af488ad..003b4a9e53f3 100644
--- a/sci-libs/htslib/metadata.xml
+++ b/sci-libs/htslib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-biology@gentoo.org</email>
diff --git a/sci-libs/hypre/metadata.xml b/sci-libs/hypre/metadata.xml
index 0f8ab9b1a46c..b525b702f84a 100644
--- a/sci-libs/hypre/metadata.xml
+++ b/sci-libs/hypre/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-mathematics@gentoo.org</email>
diff --git a/sci-libs/idlcoyote/metadata.xml b/sci-libs/idlcoyote/metadata.xml
index 298edd428429..e89bab8154b2 100644
--- a/sci-libs/idlcoyote/metadata.xml
+++ b/sci-libs/idlcoyote/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-astronomy@gentoo.org</email>
diff --git a/sci-libs/idlmarkwardt/metadata.xml b/sci-libs/idlmarkwardt/metadata.xml
index 70e03dfd63b2..e390bc9f6eb3 100644
--- a/sci-libs/idlmarkwardt/metadata.xml
+++ b/sci-libs/idlmarkwardt/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/ignition-common/metadata.xml b/sci-libs/ignition-common/metadata.xml
index c3e61fabcf50..87532696a9a2 100644
--- a/sci-libs/ignition-common/metadata.xml
+++ b/sci-libs/ignition-common/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>aballier@gentoo.org</email>
diff --git a/sci-libs/ignition-fuel-tools/metadata.xml b/sci-libs/ignition-fuel-tools/metadata.xml
index b0a55265c08d..70c7ab91a787 100644
--- a/sci-libs/ignition-fuel-tools/metadata.xml
+++ b/sci-libs/ignition-fuel-tools/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>aballier@gentoo.org</email>
diff --git a/sci-libs/ignition-math/metadata.xml b/sci-libs/ignition-math/metadata.xml
index cd92ae6d0f49..6d71f37175ae 100644
--- a/sci-libs/ignition-math/metadata.xml
+++ b/sci-libs/ignition-math/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>aballier@gentoo.org</email>
diff --git a/sci-libs/iml/metadata.xml b/sci-libs/iml/metadata.xml
index 673326db1e86..6627d3652454 100644
--- a/sci-libs/iml/metadata.xml
+++ b/sci-libs/iml/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/inchi/metadata.xml b/sci-libs/inchi/metadata.xml
index 8937bad0b175..e490bcb8aa87 100644
--- a/sci-libs/inchi/metadata.xml
+++ b/sci-libs/inchi/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-chemistry@gentoo.org</email>
diff --git a/sci-libs/indilib/metadata.xml b/sci-libs/indilib/metadata.xml
index b761949cc946..9442ce431ecc 100644
--- a/sci-libs/indilib/metadata.xml
+++ b/sci-libs/indilib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>kde@gentoo.org</email>
diff --git a/sci-libs/io_lib/metadata.xml b/sci-libs/io_lib/metadata.xml
index e4325132e2d2..07698c90cc11 100644
--- a/sci-libs/io_lib/metadata.xml
+++ b/sci-libs/io_lib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/ipopt/metadata.xml b/sci-libs/ipopt/metadata.xml
index fa265c7e52e5..465f5eae75b3 100644
--- a/sci-libs/ipopt/metadata.xml
+++ b/sci-libs/ipopt/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/itpp/metadata.xml b/sci-libs/itpp/metadata.xml
index 6606a6014ad7..00e200e64c18 100644
--- a/sci-libs/itpp/metadata.xml
+++ b/sci-libs/itpp/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/jama/metadata.xml b/sci-libs/jama/metadata.xml
index 5052beb3f7f5..c3eed4e8d3fa 100644
--- a/sci-libs/jama/metadata.xml
+++ b/sci-libs/jama/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/keras-applications/metadata.xml b/sci-libs/keras-applications/metadata.xml
index f195797ab3a0..00ca801f5326 100644
--- a/sci-libs/keras-applications/metadata.xml
+++ b/sci-libs/keras-applications/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>perfinion@gentoo.org</email>
diff --git a/sci-libs/keras-preprocessing/metadata.xml b/sci-libs/keras-preprocessing/metadata.xml
index 833dd3977c1a..89bac5c2363d 100644
--- a/sci-libs/keras-preprocessing/metadata.xml
+++ b/sci-libs/keras-preprocessing/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>perfinion@gentoo.org</email>
diff --git a/sci-libs/kim-api/metadata.xml b/sci-libs/kim-api/metadata.xml
index ae9640ffb9f1..c0cd18916a93 100644
--- a/sci-libs/kim-api/metadata.xml
+++ b/sci-libs/kim-api/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/kissfft/metadata.xml b/sci-libs/kissfft/metadata.xml
index 1dd34da24f4b..dc040e7c9bf6 100644
--- a/sci-libs/kissfft/metadata.xml
+++ b/sci-libs/kissfft/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person" proxied="yes">
<email>gentoo@aisha.cc</email>
diff --git a/sci-libs/klu/metadata.xml b/sci-libs/klu/metadata.xml
index ad32bd7d4556..33b1892a51f1 100644
--- a/sci-libs/klu/metadata.xml
+++ b/sci-libs/klu/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/lapack/metadata.xml b/sci-libs/lapack/metadata.xml
index c5618c37be16..e9670e6df2cf 100644
--- a/sci-libs/lapack/metadata.xml
+++ b/sci-libs/lapack/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/ldl/metadata.xml b/sci-libs/ldl/metadata.xml
index dc5e74837c9f..e6396c0864b0 100644
--- a/sci-libs/ldl/metadata.xml
+++ b/sci-libs/ldl/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/lemon/metadata.xml b/sci-libs/lemon/metadata.xml
index 92e66a920f00..8fca14a06fa0 100644
--- a/sci-libs/lemon/metadata.xml
+++ b/sci-libs/lemon/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/levmar/metadata.xml b/sci-libs/levmar/metadata.xml
index 6007842dab25..b67b88aecfbe 100644
--- a/sci-libs/levmar/metadata.xml
+++ b/sci-libs/levmar/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>amynka@gentoo.org</email>
diff --git a/sci-libs/libaec/metadata.xml b/sci-libs/libaec/metadata.xml
index 6d596231fcd7..276aa45e4036 100644
--- a/sci-libs/libaec/metadata.xml
+++ b/sci-libs/libaec/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libbraiding/metadata.xml b/sci-libs/libbraiding/metadata.xml
index 71becf5d2df7..d816504879a2 100644
--- a/sci-libs/libbraiding/metadata.xml
+++ b/sci-libs/libbraiding/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>mjo@gentoo.org</email>
diff --git a/sci-libs/libbufr/metadata.xml b/sci-libs/libbufr/metadata.xml
index e6507199b201..f42bb0348a97 100644
--- a/sci-libs/libbufr/metadata.xml
+++ b/sci-libs/libbufr/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>nerdboy@gentoo.org</email>
diff --git a/sci-libs/libccd/metadata.xml b/sci-libs/libccd/metadata.xml
index 8f3764e44754..33316116723d 100644
--- a/sci-libs/libccd/metadata.xml
+++ b/sci-libs/libccd/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>aballier@gentoo.org</email>
diff --git a/sci-libs/libcerf/metadata.xml b/sci-libs/libcerf/metadata.xml
index 8425c0d53cb0..7d3acaf5d252 100644
--- a/sci-libs/libcerf/metadata.xml
+++ b/sci-libs/libcerf/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libcifpp/metadata.xml b/sci-libs/libcifpp/metadata.xml
index 020b40648ee8..572c7daf2ccf 100644
--- a/sci-libs/libcifpp/metadata.xml
+++ b/sci-libs/libcifpp/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>pacho@gentoo.org</email>
diff --git a/sci-libs/libcmatrix/metadata.xml b/sci-libs/libcmatrix/metadata.xml
index 8425c0d53cb0..7d3acaf5d252 100644
--- a/sci-libs/libcmatrix/metadata.xml
+++ b/sci-libs/libcmatrix/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libdap/metadata.xml b/sci-libs/libdap/metadata.xml
index c1f3d9787739..722148b3c95a 100644
--- a/sci-libs/libdap/metadata.xml
+++ b/sci-libs/libdap/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-geosciences@gentoo.org</email>
diff --git a/sci-libs/libecpint/metadata.xml b/sci-libs/libecpint/metadata.xml
index 0802ee79be89..f2664523e71e 100644
--- a/sci-libs/libecpint/metadata.xml
+++ b/sci-libs/libecpint/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libexcelformat/metadata.xml b/sci-libs/libexcelformat/metadata.xml
index ae9640ffb9f1..c0cd18916a93 100644
--- a/sci-libs/libexcelformat/metadata.xml
+++ b/sci-libs/libexcelformat/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libgenome/metadata.xml b/sci-libs/libgenome/metadata.xml
index 8417d1580d40..bdabd1d83788 100644
--- a/sci-libs/libgenome/metadata.xml
+++ b/sci-libs/libgenome/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-biology@gentoo.org</email>
diff --git a/sci-libs/libgeodecomp/metadata.xml b/sci-libs/libgeodecomp/metadata.xml
index 7f28dfaeb64c..5f7c388f3620 100644
--- a/sci-libs/libgeodecomp/metadata.xml
+++ b/sci-libs/libgeodecomp/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person" proxied="yes">
<email>kurt@kmk-computers.de</email>
diff --git a/sci-libs/libgeotiff/metadata.xml b/sci-libs/libgeotiff/metadata.xml
index d78f80981828..d3369ac77939 100644
--- a/sci-libs/libgeotiff/metadata.xml
+++ b/sci-libs/libgeotiff/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-geosciences@gentoo.org</email>
diff --git a/sci-libs/libghemical/metadata.xml b/sci-libs/libghemical/metadata.xml
index 82a6530d10c8..7b4baa94856a 100644
--- a/sci-libs/libghemical/metadata.xml
+++ b/sci-libs/libghemical/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-chemistry@gentoo.org</email>
diff --git a/sci-libs/libh2o/metadata.xml b/sci-libs/libh2o/metadata.xml
index d7baf471a705..22d7b18c840a 100644
--- a/sci-libs/libh2o/metadata.xml
+++ b/sci-libs/libh2o/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>mgorny@gentoo.org</email>
diff --git a/sci-libs/libh2oxx/metadata.xml b/sci-libs/libh2oxx/metadata.xml
index ab8b9c0d2e6c..3eccf240bc49 100644
--- a/sci-libs/libh2oxx/metadata.xml
+++ b/sci-libs/libh2oxx/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>mgorny@gentoo.org</email>
diff --git a/sci-libs/libhomfly/metadata.xml b/sci-libs/libhomfly/metadata.xml
index b9eb9d36fc7b..37825533559b 100644
--- a/sci-libs/libhomfly/metadata.xml
+++ b/sci-libs/libhomfly/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>mjo@gentoo.org</email>
diff --git a/sci-libs/libigl/metadata.xml b/sci-libs/libigl/metadata.xml
index 6ea2194bc08e..cf81a4fd43e8 100644
--- a/sci-libs/libigl/metadata.xml
+++ b/sci-libs/libigl/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>3dprint@gentoo.org</email>
diff --git a/sci-libs/libint/metadata.xml b/sci-libs/libint/metadata.xml
index c6610a75fe01..eac41989fd87 100644
--- a/sci-libs/libint/metadata.xml
+++ b/sci-libs/libint/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libmems/metadata.xml b/sci-libs/libmems/metadata.xml
index 8417d1580d40..bdabd1d83788 100644
--- a/sci-libs/libmems/metadata.xml
+++ b/sci-libs/libmems/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-biology@gentoo.org</email>
diff --git a/sci-libs/libmuscle/metadata.xml b/sci-libs/libmuscle/metadata.xml
index 8417d1580d40..bdabd1d83788 100644
--- a/sci-libs/libmuscle/metadata.xml
+++ b/sci-libs/libmuscle/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-biology@gentoo.org</email>
diff --git a/sci-libs/libnova/metadata.xml b/sci-libs/libnova/metadata.xml
index 0c5d20811ad1..288e228415b8 100644
--- a/sci-libs/libnova/metadata.xml
+++ b/sci-libs/libnova/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-astronomy@gentoo.org</email>
diff --git a/sci-libs/liborigin/metadata.xml b/sci-libs/liborigin/metadata.xml
index 54bfdbb82e34..9e1b2fba29be 100644
--- a/sci-libs/liborigin/metadata.xml
+++ b/sci-libs/liborigin/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libpdb++/metadata.xml b/sci-libs/libpdb++/metadata.xml
index ae9640ffb9f1..c0cd18916a93 100644
--- a/sci-libs/libpdb++/metadata.xml
+++ b/sci-libs/libpdb++/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libpdb/metadata.xml b/sci-libs/libpdb/metadata.xml
index ae9640ffb9f1..c0cd18916a93 100644
--- a/sci-libs/libpdb/metadata.xml
+++ b/sci-libs/libpdb/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libqalculate/metadata.xml b/sci-libs/libqalculate/metadata.xml
index 5a79485a6ded..284c82a7b616 100644
--- a/sci-libs/libqalculate/metadata.xml
+++ b/sci-libs/libqalculate/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libsc/metadata.xml b/sci-libs/libsc/metadata.xml
index 20badba13add..c2a3238de46c 100644
--- a/sci-libs/libsc/metadata.xml
+++ b/sci-libs/libsc/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>tamiko@gentoo.org</email>
diff --git a/sci-libs/libsigrok/metadata.xml b/sci-libs/libsigrok/metadata.xml
index 60598929d67c..125e899de100 100644
--- a/sci-libs/libsigrok/metadata.xml
+++ b/sci-libs/libsigrok/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>embedded@gentoo.org</email>
diff --git a/sci-libs/libsigrokdecode/metadata.xml b/sci-libs/libsigrokdecode/metadata.xml
index 71b1461e1146..98ae10b3c34a 100644
--- a/sci-libs/libsigrokdecode/metadata.xml
+++ b/sci-libs/libsigrokdecode/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>embedded@gentoo.org</email>
diff --git a/sci-libs/libspatialindex/metadata.xml b/sci-libs/libspatialindex/metadata.xml
index 93b617e9a778..c1730d14653d 100644
--- a/sci-libs/libspatialindex/metadata.xml
+++ b/sci-libs/libspatialindex/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>3dprint@gentoo.org</email>
diff --git a/sci-libs/libsvm/metadata.xml b/sci-libs/libsvm/metadata.xml
index 7ba70023b93f..0ebc02970a4e 100644
--- a/sci-libs/libsvm/metadata.xml
+++ b/sci-libs/libsvm/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libticables2/metadata.xml b/sci-libs/libticables2/metadata.xml
index 913b1258a5b3..89fb0f074640 100644
--- a/sci-libs/libticables2/metadata.xml
+++ b/sci-libs/libticables2/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libticalcs2/metadata.xml b/sci-libs/libticalcs2/metadata.xml
index 1cd5468cfcba..654103b7563b 100644
--- a/sci-libs/libticalcs2/metadata.xml
+++ b/sci-libs/libticalcs2/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libticonv/metadata.xml b/sci-libs/libticonv/metadata.xml
index e176fa0cacff..41237f72d97d 100644
--- a/sci-libs/libticonv/metadata.xml
+++ b/sci-libs/libticonv/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libtifiles2/metadata.xml b/sci-libs/libtifiles2/metadata.xml
index 95f486416a2c..10305187c6eb 100644
--- a/sci-libs/libtifiles2/metadata.xml
+++ b/sci-libs/libtifiles2/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/libxc/metadata.xml b/sci-libs/libxc/metadata.xml
index 55e82d2ab1c2..3d68ccd2a439 100644
--- a/sci-libs/libxc/metadata.xml
+++ b/sci-libs/libxc/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/linbox/metadata.xml b/sci-libs/linbox/metadata.xml
index f7ca231ff1a2..b935b656e7df 100644
--- a/sci-libs/linbox/metadata.xml
+++ b/sci-libs/linbox/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>mjo@gentoo.org</email>
diff --git a/sci-libs/linux-gpib-modules/metadata.xml b/sci-libs/linux-gpib-modules/metadata.xml
index 0781b9a96b94..9f59724a8233 100644
--- a/sci-libs/linux-gpib-modules/metadata.xml
+++ b/sci-libs/linux-gpib-modules/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>dilfridge@gentoo.org</email>
diff --git a/sci-libs/linux-gpib/metadata.xml b/sci-libs/linux-gpib/metadata.xml
index 0943a596eef1..27e81f251aac 100644
--- a/sci-libs/linux-gpib/metadata.xml
+++ b/sci-libs/linux-gpib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>dilfridge@gentoo.org</email>
diff --git a/sci-libs/lis/metadata.xml b/sci-libs/lis/metadata.xml
index b2cb4b334b2e..adc6d0de7bdc 100644
--- a/sci-libs/lis/metadata.xml
+++ b/sci-libs/lis/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/lmfit/metadata.xml b/sci-libs/lmfit/metadata.xml
index 2550df8221b6..8db92b6d42e4 100644
--- a/sci-libs/lmfit/metadata.xml
+++ b/sci-libs/lmfit/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/lrslib/metadata.xml b/sci-libs/lrslib/metadata.xml
index 8b97646ef0f3..151b168de63a 100644
--- a/sci-libs/lrslib/metadata.xml
+++ b/sci-libs/lrslib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/m4ri/metadata.xml b/sci-libs/m4ri/metadata.xml
index 002827f25234..189a75d32cd2 100644
--- a/sci-libs/m4ri/metadata.xml
+++ b/sci-libs/m4ri/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>mjo@gentoo.org</email>
diff --git a/sci-libs/m4rie/metadata.xml b/sci-libs/m4rie/metadata.xml
index 911668116031..0c2d7316d127 100644
--- a/sci-libs/m4rie/metadata.xml
+++ b/sci-libs/m4rie/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>mjo@gentoo.org</email>
diff --git a/sci-libs/mathgl/metadata.xml b/sci-libs/mathgl/metadata.xml
index c8a7abfe76a2..d0b3ea7deb5d 100644
--- a/sci-libs/mathgl/metadata.xml
+++ b/sci-libs/mathgl/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/matio/metadata.xml b/sci-libs/matio/metadata.xml
index 2bc7cf11270b..52a162e0f28e 100644
--- a/sci-libs/matio/metadata.xml
+++ b/sci-libs/matio/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/mc/metadata.xml b/sci-libs/mc/metadata.xml
index 8425c0d53cb0..7d3acaf5d252 100644
--- a/sci-libs/mc/metadata.xml
+++ b/sci-libs/mc/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/med/metadata.xml b/sci-libs/med/metadata.xml
index 3969f782cca0..b744f23897b7 100644
--- a/sci-libs/med/metadata.xml
+++ b/sci-libs/med/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>tamiko@gentoo.org</email>
diff --git a/sci-libs/metadata.xml b/sci-libs/metadata.xml
index b543f7c4216b..883490ed5ecb 100644
--- a/sci-libs/metadata.xml
+++ b/sci-libs/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE catmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE catmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<catmetadata>
<longdescription lang="en">
The sci-libs category contains various science-related libraries.
diff --git a/sci-libs/metis/metadata.xml b/sci-libs/metis/metadata.xml
index cfc70289ed32..6415e7e43b5c 100644
--- a/sci-libs/metis/metadata.xml
+++ b/sci-libs/metis/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/minuit/metadata.xml b/sci-libs/minuit/metadata.xml
index b6037a530db7..f49fa95c6887 100644
--- a/sci-libs/minuit/metadata.xml
+++ b/sci-libs/minuit/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/mkl/metadata.xml b/sci-libs/mkl/metadata.xml
index 59fd7e51f0f7..07376226d866 100644
--- a/sci-libs/mkl/metadata.xml
+++ b/sci-libs/mkl/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/mpfi/metadata.xml b/sci-libs/mpfi/metadata.xml
index a0c9c3fcbb0c..3d28a3944295 100644
--- a/sci-libs/mpfi/metadata.xml
+++ b/sci-libs/mpfi/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-mathematics@gentoo.org</email>
diff --git a/sci-libs/mpir/metadata.xml b/sci-libs/mpir/metadata.xml
index cd50fabad650..069a5c0beaec 100644
--- a/sci-libs/mpir/metadata.xml
+++ b/sci-libs/mpir/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/mumps/metadata.xml b/sci-libs/mumps/metadata.xml
index 6c7bab904ee4..48fbdcfacfa6 100644
--- a/sci-libs/mumps/metadata.xml
+++ b/sci-libs/mumps/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/nanoflann/metadata.xml b/sci-libs/nanoflann/metadata.xml
index 55ff474ea242..8380ce09585e 100644
--- a/sci-libs/nanoflann/metadata.xml
+++ b/sci-libs/nanoflann/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>tamiko@gentoo.org</email>
diff --git a/sci-libs/neartree/metadata.xml b/sci-libs/neartree/metadata.xml
index be72ab17e93d..409122f2c199 100644
--- a/sci-libs/neartree/metadata.xml
+++ b/sci-libs/neartree/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/nemesis/metadata.xml b/sci-libs/nemesis/metadata.xml
index 9599a858f64b..fd6da0343ccc 100644
--- a/sci-libs/nemesis/metadata.xml
+++ b/sci-libs/nemesis/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/netcdf-cxx/metadata.xml b/sci-libs/netcdf-cxx/metadata.xml
index 534ebb4466b0..040a4543b31b 100644
--- a/sci-libs/netcdf-cxx/metadata.xml
+++ b/sci-libs/netcdf-cxx/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/netcdf-fortran/metadata.xml b/sci-libs/netcdf-fortran/metadata.xml
index 907e9aef735b..4e7a4a8023f1 100644
--- a/sci-libs/netcdf-fortran/metadata.xml
+++ b/sci-libs/netcdf-fortran/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/netcdf/metadata.xml b/sci-libs/netcdf/metadata.xml
index b7e0ce8e79ef..acecc3ab2966 100644
--- a/sci-libs/netcdf/metadata.xml
+++ b/sci-libs/netcdf/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/nfft/metadata.xml b/sci-libs/nfft/metadata.xml
index b759151e3dc4..4eda0251b43c 100644
--- a/sci-libs/nfft/metadata.xml
+++ b/sci-libs/nfft/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>junghans@gentoo.org</email>
diff --git a/sci-libs/nlopt/metadata.xml b/sci-libs/nlopt/metadata.xml
index 35f045929ff6..10605909bb4e 100644
--- a/sci-libs/nlopt/metadata.xml
+++ b/sci-libs/nlopt/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/numkit/metadata.xml b/sci-libs/numkit/metadata.xml
index a8fbd089f373..a882eb598c66 100644
--- a/sci-libs/numkit/metadata.xml
+++ b/sci-libs/numkit/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>alexxy@gentoo.org</email>
diff --git a/sci-libs/o2scl/metadata.xml b/sci-libs/o2scl/metadata.xml
index e560f8975f9c..bfbde3f72f12 100644
--- a/sci-libs/o2scl/metadata.xml
+++ b/sci-libs/o2scl/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/oc/metadata.xml b/sci-libs/oc/metadata.xml
index 611da852fac7..0551933b820d 100644
--- a/sci-libs/oc/metadata.xml
+++ b/sci-libs/oc/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/oce/metadata.xml b/sci-libs/oce/metadata.xml
index 8afc4aac1396..2fecd54ca110 100644
--- a/sci-libs/oce/metadata.xml
+++ b/sci-libs/oce/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person" proxied="yes">
<email>zoltan@sinustrom.info</email>
diff --git a/sci-libs/octomap/metadata.xml b/sci-libs/octomap/metadata.xml
index d6afbe70c1f9..50ea9cff57e4 100644
--- a/sci-libs/octomap/metadata.xml
+++ b/sci-libs/octomap/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>aballier@gentoo.org</email>
diff --git a/sci-libs/ogdi/metadata.xml b/sci-libs/ogdi/metadata.xml
index 2dc0ec7a6b9b..c51ca5360917 100644
--- a/sci-libs/ogdi/metadata.xml
+++ b/sci-libs/ogdi/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/openblas/metadata.xml b/sci-libs/openblas/metadata.xml
index ae6d647a3f84..11aed171af85 100644
--- a/sci-libs/openblas/metadata.xml
+++ b/sci-libs/openblas/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/opencascade/metadata.xml b/sci-libs/opencascade/metadata.xml
index 9477ecff1347..b0acd7390fe1 100644
--- a/sci-libs/opencascade/metadata.xml
+++ b/sci-libs/opencascade/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person" proxied="yes">
<email>waebbl-gentoo@posteo.net</email>
diff --git a/sci-libs/openlibm/metadata.xml b/sci-libs/openlibm/metadata.xml
index cd02d5ec2882..af499f7d92f5 100644
--- a/sci-libs/openlibm/metadata.xml
+++ b/sci-libs/openlibm/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/orocos-bfl/metadata.xml b/sci-libs/orocos-bfl/metadata.xml
index 0dca5e8d0942..89b745071952 100644
--- a/sci-libs/orocos-bfl/metadata.xml
+++ b/sci-libs/orocos-bfl/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>aballier@gentoo.org</email>
diff --git a/sci-libs/orocos_kdl/metadata.xml b/sci-libs/orocos_kdl/metadata.xml
index 8e818f01bbf4..1977fd3cda9e 100644
--- a/sci-libs/orocos_kdl/metadata.xml
+++ b/sci-libs/orocos_kdl/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>aballier@gentoo.org</email>
diff --git a/sci-libs/p4est/metadata.xml b/sci-libs/p4est/metadata.xml
index 35ac42b0102a..c58dd131de04 100644
--- a/sci-libs/p4est/metadata.xml
+++ b/sci-libs/p4est/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>tamiko@gentoo.org</email>
diff --git a/sci-libs/parmetis/metadata.xml b/sci-libs/parmetis/metadata.xml
index cf1b66e81268..62de4c03afb6 100644
--- a/sci-libs/parmetis/metadata.xml
+++ b/sci-libs/parmetis/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/pastix/metadata.xml b/sci-libs/pastix/metadata.xml
index 1a653c7ffd2f..219e89c81926 100644
--- a/sci-libs/pastix/metadata.xml
+++ b/sci-libs/pastix/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/pcl/metadata.xml b/sci-libs/pcl/metadata.xml
index aeefe273d2b0..2bb119042ee2 100644
--- a/sci-libs/pcl/metadata.xml
+++ b/sci-libs/pcl/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>aballier@gentoo.org</email>
diff --git a/sci-libs/pgplot/metadata.xml b/sci-libs/pgplot/metadata.xml
index 1f8f0d3e10fe..0bcf04505a3c 100644
--- a/sci-libs/pgplot/metadata.xml
+++ b/sci-libs/pgplot/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/plplot/metadata.xml b/sci-libs/plplot/metadata.xml
index 88a36164cbfa..e203bf027c44 100644
--- a/sci-libs/plplot/metadata.xml
+++ b/sci-libs/plplot/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/primegen/metadata.xml b/sci-libs/primegen/metadata.xml
index b9ad1c8da710..3b04521c13df 100644
--- a/sci-libs/primegen/metadata.xml
+++ b/sci-libs/primegen/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-mathematics@gentoo.org</email>
diff --git a/sci-libs/profnet/metadata.xml b/sci-libs/profnet/metadata.xml
index 959160fe46b1..ccdff086e20b 100644
--- a/sci-libs/profnet/metadata.xml
+++ b/sci-libs/profnet/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-biology@gentoo.org</email>
diff --git a/sci-libs/profphd-utils/metadata.xml b/sci-libs/profphd-utils/metadata.xml
index 959160fe46b1..ccdff086e20b 100644
--- a/sci-libs/profphd-utils/metadata.xml
+++ b/sci-libs/profphd-utils/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-biology@gentoo.org</email>
diff --git a/sci-libs/proj/metadata.xml b/sci-libs/proj/metadata.xml
index e36b505c0918..7fcefae65e21 100644
--- a/sci-libs/proj/metadata.xml
+++ b/sci-libs/proj/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-geosciences@gentoo.org</email>
diff --git a/sci-libs/punc/metadata.xml b/sci-libs/punc/metadata.xml
index 3298e3c46900..7356f2ef0ca6 100644
--- a/sci-libs/punc/metadata.xml
+++ b/sci-libs/punc/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/pyshp/metadata.xml b/sci-libs/pyshp/metadata.xml
index 3da8982993cc..6635cddf96ed 100644
--- a/sci-libs/pyshp/metadata.xml
+++ b/sci-libs/pyshp/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>tomjbe@gentoo.org</email>
diff --git a/sci-libs/qd/metadata.xml b/sci-libs/qd/metadata.xml
index 8425c0d53cb0..7d3acaf5d252 100644
--- a/sci-libs/qd/metadata.xml
+++ b/sci-libs/qd/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/qfits/metadata.xml b/sci-libs/qfits/metadata.xml
index 223e7f7b167c..e73e6952b883 100644
--- a/sci-libs/qfits/metadata.xml
+++ b/sci-libs/qfits/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-astronomy@gentoo.org</email>
diff --git a/sci-libs/qrupdate/metadata.xml b/sci-libs/qrupdate/metadata.xml
index 9c82197cc8d2..b0288faf7de8 100644
--- a/sci-libs/qrupdate/metadata.xml
+++ b/sci-libs/qrupdate/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/rocBLAS/metadata.xml b/sci-libs/rocBLAS/metadata.xml
index 44cdde5646e8..c6b44f755366 100644
--- a/sci-libs/rocBLAS/metadata.xml
+++ b/sci-libs/rocBLAS/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM 'http://www.gentoo.org/dtd/metadata.dtd'>
+<!DOCTYPE pkgmetadata SYSTEM 'https://www.gentoo.org/dtd/metadata.dtd'>
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/rocFFT/metadata.xml b/sci-libs/rocFFT/metadata.xml
index fce971bebbe2..3274277df8c4 100644
--- a/sci-libs/rocFFT/metadata.xml
+++ b/sci-libs/rocFFT/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/rocPRIM/metadata.xml b/sci-libs/rocPRIM/metadata.xml
index 69514726be69..3ec1b04cf301 100644
--- a/sci-libs/rocPRIM/metadata.xml
+++ b/sci-libs/rocPRIM/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/rocRAND/metadata.xml b/sci-libs/rocRAND/metadata.xml
index 4feb2cb201ae..d9a40bdc1ec3 100644
--- a/sci-libs/rocRAND/metadata.xml
+++ b/sci-libs/rocRAND/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/rocSPARSE/metadata.xml b/sci-libs/rocSPARSE/metadata.xml
index 496b630798a6..41fbe64032ab 100644
--- a/sci-libs/rocSPARSE/metadata.xml
+++ b/sci-libs/rocSPARSE/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/rocThrust/metadata.xml b/sci-libs/rocThrust/metadata.xml
index ae48919b5ea3..2de21c17fe60 100644
--- a/sci-libs/rocThrust/metadata.xml
+++ b/sci-libs/rocThrust/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/rosetta-db/metadata.xml b/sci-libs/rosetta-db/metadata.xml
index 8937bad0b175..e490bcb8aa87 100644
--- a/sci-libs/rosetta-db/metadata.xml
+++ b/sci-libs/rosetta-db/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-chemistry@gentoo.org</email>
diff --git a/sci-libs/rtabmap/metadata.xml b/sci-libs/rtabmap/metadata.xml
index 303a16f5feb3..96a27a14dfb3 100644
--- a/sci-libs/rtabmap/metadata.xml
+++ b/sci-libs/rtabmap/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>aballier@gentoo.org</email>
diff --git a/sci-libs/rtree/metadata.xml b/sci-libs/rtree/metadata.xml
index a0a47a2da71d..34c930a0bce1 100644
--- a/sci-libs/rtree/metadata.xml
+++ b/sci-libs/rtree/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>3dprint@gentoo.org</email>
diff --git a/sci-libs/scalapack/metadata.xml b/sci-libs/scalapack/metadata.xml
index 4bed9a38eed5..e1ce450b30e6 100644
--- a/sci-libs/scalapack/metadata.xml
+++ b/sci-libs/scalapack/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/scikit-image/metadata.xml b/sci-libs/scikit-image/metadata.xml
index a06c97516f58..aaf8e423ee6c 100644
--- a/sci-libs/scikit-image/metadata.xml
+++ b/sci-libs/scikit-image/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/scikit-learn/metadata.xml b/sci-libs/scikit-learn/metadata.xml
index 50092d263e8a..fcf9041b5f81 100644
--- a/sci-libs/scikit-learn/metadata.xml
+++ b/sci-libs/scikit-learn/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person" proxied="yes">
<email>gentoo@aisha.cc</email>
diff --git a/sci-libs/scikit-optimize/metadata.xml b/sci-libs/scikit-optimize/metadata.xml
index 0a6b8b46e192..c8b6fa9a9f30 100644
--- a/sci-libs/scikit-optimize/metadata.xml
+++ b/sci-libs/scikit-optimize/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person" proxied="yes">
<email>gentoo@aisha.cc</email>
diff --git a/sci-libs/scotch/metadata.xml b/sci-libs/scotch/metadata.xml
index fcab05eb73d6..be2e61baf3fd 100644
--- a/sci-libs/scotch/metadata.xml
+++ b/sci-libs/scotch/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/shapelib/metadata.xml b/sci-libs/shapelib/metadata.xml
index 2761b1b9e5c0..080560a80ec2 100644
--- a/sci-libs/shapelib/metadata.xml
+++ b/sci-libs/shapelib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-geosciences@gentoo.org</email>
diff --git a/sci-libs/shapely/metadata.xml b/sci-libs/shapely/metadata.xml
index 96bf3a8596bd..fb27f29d1c11 100644
--- a/sci-libs/shapely/metadata.xml
+++ b/sci-libs/shapely/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>3dprint@gentoo.org</email>
diff --git a/sci-libs/silo/metadata.xml b/sci-libs/silo/metadata.xml
index 0e901aa81b1a..042cd6fc239a 100644
--- a/sci-libs/silo/metadata.xml
+++ b/sci-libs/silo/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<longdescription>
Silo is a library for reading and writing a wide variety of
diff --git a/sci-libs/spglib/metadata.xml b/sci-libs/spglib/metadata.xml
index da36ecbfcd6a..d4ff1000a775 100644
--- a/sci-libs/spglib/metadata.xml
+++ b/sci-libs/spglib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-chemistry@gentoo.org</email>
diff --git a/sci-libs/spqr/metadata.xml b/sci-libs/spqr/metadata.xml
index 080353cff1a4..d4b1f066575e 100644
--- a/sci-libs/spqr/metadata.xml
+++ b/sci-libs/spqr/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/spr/metadata.xml b/sci-libs/spr/metadata.xml
index 47921e2be92e..6094956ffc79 100644
--- a/sci-libs/spr/metadata.xml
+++ b/sci-libs/spr/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-physics@gentoo.org</email>
diff --git a/sci-libs/stellarsolver/metadata.xml b/sci-libs/stellarsolver/metadata.xml
index 2fc86c69b3f4..e383da8ef9b1 100644
--- a/sci-libs/stellarsolver/metadata.xml
+++ b/sci-libs/stellarsolver/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>kde@gentoo.org</email>
diff --git a/sci-libs/suitesparse/metadata.xml b/sci-libs/suitesparse/metadata.xml
index 191d8a97ea10..998b507d95c4 100644
--- a/sci-libs/suitesparse/metadata.xml
+++ b/sci-libs/suitesparse/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/suitesparseconfig/metadata.xml b/sci-libs/suitesparseconfig/metadata.xml
index 0404cd687a13..4eb83a2d135c 100644
--- a/sci-libs/suitesparseconfig/metadata.xml
+++ b/sci-libs/suitesparseconfig/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/sundials/metadata.xml b/sci-libs/sundials/metadata.xml
index a817ac12febc..ad709aab336f 100644
--- a/sci-libs/sundials/metadata.xml
+++ b/sci-libs/sundials/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/superlu/metadata.xml b/sci-libs/superlu/metadata.xml
index 01512c58f866..bf22e5324b94 100644
--- a/sci-libs/superlu/metadata.xml
+++ b/sci-libs/superlu/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/superlu_mt/metadata.xml b/sci-libs/superlu_mt/metadata.xml
index 5e07f8c182bc..e89774c08192 100644
--- a/sci-libs/superlu_mt/metadata.xml
+++ b/sci-libs/superlu_mt/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/symengine/metadata.xml b/sci-libs/symengine/metadata.xml
index 53c407a4e64b..2d6da788e66f 100644
--- a/sci-libs/symengine/metadata.xml
+++ b/sci-libs/symengine/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-mathematics@gentoo.org</email>
diff --git a/sci-libs/symmetrica/metadata.xml b/sci-libs/symmetrica/metadata.xml
index 246f90de1e67..478938a9d0fc 100644
--- a/sci-libs/symmetrica/metadata.xml
+++ b/sci-libs/symmetrica/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>mjo@gentoo.org</email>
diff --git a/sci-libs/szip/metadata.xml b/sci-libs/szip/metadata.xml
index a9541a48090d..02c857bd25f0 100644
--- a/sci-libs/szip/metadata.xml
+++ b/sci-libs/szip/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/ta-lib/metadata.xml b/sci-libs/ta-lib/metadata.xml
index 75af09f93bb4..e28143c4e0dc 100644
--- a/sci-libs/ta-lib/metadata.xml
+++ b/sci-libs/ta-lib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<!-- maintainer-needed -->
<upstream>
diff --git a/sci-libs/tamu_anova/metadata.xml b/sci-libs/tamu_anova/metadata.xml
index 8425c0d53cb0..7d3acaf5d252 100644
--- a/sci-libs/tamu_anova/metadata.xml
+++ b/sci-libs/tamu_anova/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/taucs/metadata.xml b/sci-libs/taucs/metadata.xml
index 507e3718bcb6..db08cf08723b 100644
--- a/sci-libs/taucs/metadata.xml
+++ b/sci-libs/taucs/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/tensorflow-estimator/metadata.xml b/sci-libs/tensorflow-estimator/metadata.xml
index 2d40af6762c9..db4dc8444e40 100644
--- a/sci-libs/tensorflow-estimator/metadata.xml
+++ b/sci-libs/tensorflow-estimator/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>perfinion@gentoo.org</email>
diff --git a/sci-libs/tensorflow/metadata.xml b/sci-libs/tensorflow/metadata.xml
index 16866633fb84..7e7bdf148869 100644
--- a/sci-libs/tensorflow/metadata.xml
+++ b/sci-libs/tensorflow/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>perfinion@gentoo.org</email>
diff --git a/sci-libs/tnt/metadata.xml b/sci-libs/tnt/metadata.xml
index 6fe0e40aee1a..f7cae62cf7f9 100644
--- a/sci-libs/tnt/metadata.xml
+++ b/sci-libs/tnt/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/trilinos/metadata.xml b/sci-libs/trilinos/metadata.xml
index 8cbeddb082eb..62bd13962cc5 100644
--- a/sci-libs/trilinos/metadata.xml
+++ b/sci-libs/trilinos/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>tamiko@gentoo.org</email>
diff --git a/sci-libs/udunits/metadata.xml b/sci-libs/udunits/metadata.xml
index d269139995ed..81cafb5791e0 100644
--- a/sci-libs/udunits/metadata.xml
+++ b/sci-libs/udunits/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/ufconfig/metadata.xml b/sci-libs/ufconfig/metadata.xml
index c1011111c9d8..14dad9f3b66d 100644
--- a/sci-libs/ufconfig/metadata.xml
+++ b/sci-libs/ufconfig/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/umfpack/metadata.xml b/sci-libs/umfpack/metadata.xml
index 412bad8f33e1..5837f2e646fd 100644
--- a/sci-libs/umfpack/metadata.xml
+++ b/sci-libs/umfpack/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/volk/metadata.xml b/sci-libs/volk/metadata.xml
index 2b9b4266ca5b..97eff4632a18 100644
--- a/sci-libs/volk/metadata.xml
+++ b/sci-libs/volk/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>zerochaos@gentoo.org</email>
diff --git a/sci-libs/voro++/metadata.xml b/sci-libs/voro++/metadata.xml
index 8425c0d53cb0..7d3acaf5d252 100644
--- a/sci-libs/voro++/metadata.xml
+++ b/sci-libs/voro++/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/votca-tools/metadata.xml b/sci-libs/votca-tools/metadata.xml
index bdb57bcaa718..0368cd91250f 100644
--- a/sci-libs/votca-tools/metadata.xml
+++ b/sci-libs/votca-tools/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>junghans@gentoo.org</email>
diff --git a/sci-libs/vtk/metadata.xml b/sci-libs/vtk/metadata.xml
index 8fc9a950f8f6..78fb93f57d22 100644
--- a/sci-libs/vtk/metadata.xml
+++ b/sci-libs/vtk/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project" proxied="proxy">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/xdmf2/metadata.xml b/sci-libs/xdmf2/metadata.xml
index 8425c0d53cb0..7d3acaf5d252 100644
--- a/sci-libs/xdmf2/metadata.xml
+++ b/sci-libs/xdmf2/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>
diff --git a/sci-libs/xdrfile/metadata.xml b/sci-libs/xdrfile/metadata.xml
index c2dc1568a734..638f4aa32334 100644
--- a/sci-libs/xdrfile/metadata.xml
+++ b/sci-libs/xdrfile/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="person">
<email>alexxy@gentoo.org</email>
diff --git a/sci-libs/xgks-pmel/metadata.xml b/sci-libs/xgks-pmel/metadata.xml
index 446c65af5a70..0076390e9c5e 100644
--- a/sci-libs/xgks-pmel/metadata.xml
+++ b/sci-libs/xgks-pmel/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci-geosciences@gentoo.org</email>
diff --git a/sci-libs/xylib/metadata.xml b/sci-libs/xylib/metadata.xml
index e9173b262918..3b44fbeb6f40 100644
--- a/sci-libs/xylib/metadata.xml
+++ b/sci-libs/xylib/metadata.xml
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer type="project">
<email>sci@gentoo.org</email>