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-rw-r--r--sci-visualization/circos/metadata.xml2
-rw-r--r--sci-visualization/dash-core-components/metadata.xml2
-rw-r--r--sci-visualization/dash-html-components/metadata.xml2
-rw-r--r--sci-visualization/dash-table/metadata.xml2
-rw-r--r--sci-visualization/dash/metadata.xml2
-rw-r--r--sci-visualization/epix/metadata.xml2
-rw-r--r--sci-visualization/fig2sxd/metadata.xml2
-rw-r--r--sci-visualization/fityk/metadata.xml2
-rw-r--r--sci-visualization/g3data/metadata.xml2
-rw-r--r--sci-visualization/gcalc/metadata.xml2
-rw-r--r--sci-visualization/ggobi/metadata.xml2
-rw-r--r--sci-visualization/gle/metadata.xml2
-rw-r--r--sci-visualization/gnuplot/metadata.xml2
-rw-r--r--sci-visualization/gr/metadata.xml2
-rw-r--r--sci-visualization/grace/metadata.xml2
-rw-r--r--sci-visualization/gri/metadata.xml2
-rw-r--r--sci-visualization/gwyddion/metadata.xml2
-rw-r--r--sci-visualization/jupyter-dash/metadata.xml2
-rw-r--r--sci-visualization/kst/metadata.xml2
-rw-r--r--sci-visualization/labplot/metadata.xml2
-rw-r--r--sci-visualization/metadata.xml2
-rw-r--r--sci-visualization/opendx-samples/metadata.xml2
-rw-r--r--sci-visualization/opendx/metadata.xml2
-rw-r--r--sci-visualization/paraview/metadata.xml2
-rw-r--r--sci-visualization/pythonprop/metadata.xml2
-rw-r--r--sci-visualization/quickplot/metadata.xml2
-rw-r--r--sci-visualization/scidavis/metadata.xml2
-rw-r--r--sci-visualization/spectromatic/metadata.xml2
-rw-r--r--sci-visualization/spyview/metadata.xml2
-rw-r--r--sci-visualization/tensorboard/metadata.xml2
-rw-r--r--sci-visualization/veusz/metadata.xml2
-rw-r--r--sci-visualization/xd3d/metadata.xml2
-rw-r--r--sci-visualization/xgraph/metadata.xml2
-rw-r--r--sci-visualization/xyscan/metadata.xml2
-rw-r--r--sci-visualization/zhu3d/metadata.xml2
35 files changed, 35 insertions, 35 deletions
diff --git a/sci-visualization/circos/metadata.xml b/sci-visualization/circos/metadata.xml
index ad181eaa8e9a..d40c46328d1d 100644
--- a/sci-visualization/circos/metadata.xml
+++ b/sci-visualization/circos/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-visualization/dash-core-components/metadata.xml b/sci-visualization/dash-core-components/metadata.xml
index b50783929f54..d8adcd3fef52 100644
--- a/sci-visualization/dash-core-components/metadata.xml
+++ b/sci-visualization/dash-core-components/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-visualization/dash-html-components/metadata.xml b/sci-visualization/dash-html-components/metadata.xml
index 7b7b1ad6d03c..9c9070edb6e6 100644
--- a/sci-visualization/dash-html-components/metadata.xml
+++ b/sci-visualization/dash-html-components/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-visualization/dash-table/metadata.xml b/sci-visualization/dash-table/metadata.xml
index 1c496d826f34..02b394ab2ab1 100644
--- a/sci-visualization/dash-table/metadata.xml
+++ b/sci-visualization/dash-table/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-visualization/dash/metadata.xml b/sci-visualization/dash/metadata.xml
index 166d71c6fb59..ab26018b1632 100644
--- a/sci-visualization/dash/metadata.xml
+++ b/sci-visualization/dash/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-visualization/epix/metadata.xml b/sci-visualization/epix/metadata.xml
index aa1412a875fc..74260b52fdc2 100644
--- a/sci-visualization/epix/metadata.xml
+++ b/sci-visualization/epix/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-visualization/fig2sxd/metadata.xml b/sci-visualization/fig2sxd/metadata.xml
index d0ab4c7d01f9..456f8bb98f66 100644
--- a/sci-visualization/fig2sxd/metadata.xml
+++ b/sci-visualization/fig2sxd/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-visualization/fityk/metadata.xml b/sci-visualization/fityk/metadata.xml
index 94ca66ce2fab..4162c6394746 100644
--- a/sci-visualization/fityk/metadata.xml
+++ b/sci-visualization/fityk/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-visualization/g3data/metadata.xml b/sci-visualization/g3data/metadata.xml
index 484cbd6c573d..e23305e28e84 100644
--- a/sci-visualization/g3data/metadata.xml
+++ b/sci-visualization/g3data/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-visualization/gcalc/metadata.xml b/sci-visualization/gcalc/metadata.xml
index 32258c002cc2..6091d9a1ad69 100644
--- a/sci-visualization/gcalc/metadata.xml
+++ b/sci-visualization/gcalc/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>java@gentoo.org</email>
diff --git a/sci-visualization/ggobi/metadata.xml b/sci-visualization/ggobi/metadata.xml
index 0e5039261b99..5958ca61110a 100644
--- a/sci-visualization/ggobi/metadata.xml
+++ b/sci-visualization/ggobi/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-visualization/gle/metadata.xml b/sci-visualization/gle/metadata.xml
index 3d73697aa10d..2656ea147980 100644
--- a/sci-visualization/gle/metadata.xml
+++ b/sci-visualization/gle/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>grozin@gentoo.org</email>
diff --git a/sci-visualization/gnuplot/metadata.xml b/sci-visualization/gnuplot/metadata.xml
index c3e53e3e4a6c..ca422cb5f16b 100644
--- a/sci-visualization/gnuplot/metadata.xml
+++ b/sci-visualization/gnuplot/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>ulm@gentoo.org</email>
diff --git a/sci-visualization/gr/metadata.xml b/sci-visualization/gr/metadata.xml
index 80a71f597854..71a5bee94e5a 100644
--- a/sci-visualization/gr/metadata.xml
+++ b/sci-visualization/gr/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-visualization/grace/metadata.xml b/sci-visualization/grace/metadata.xml
index 18165ef0800f..9fd5f6944daa 100644
--- a/sci-visualization/grace/metadata.xml
+++ b/sci-visualization/grace/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-visualization/gri/metadata.xml b/sci-visualization/gri/metadata.xml
index d6941215d539..9fc07e9a6ee6 100644
--- a/sci-visualization/gri/metadata.xml
+++ b/sci-visualization/gri/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-visualization/gwyddion/metadata.xml b/sci-visualization/gwyddion/metadata.xml
index b4a33560f643..7749445d7975 100644
--- a/sci-visualization/gwyddion/metadata.xml
+++ b/sci-visualization/gwyddion/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-visualization/jupyter-dash/metadata.xml b/sci-visualization/jupyter-dash/metadata.xml
index 50ec7aff92b7..e9abe56e8b40 100644
--- a/sci-visualization/jupyter-dash/metadata.xml
+++ b/sci-visualization/jupyter-dash/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-visualization/kst/metadata.xml b/sci-visualization/kst/metadata.xml
index 27e7888aa2c3..b5df2728f226 100644
--- a/sci-visualization/kst/metadata.xml
+++ b/sci-visualization/kst/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>qt@gentoo.org</email>
diff --git a/sci-visualization/labplot/metadata.xml b/sci-visualization/labplot/metadata.xml
index 1625558de1ee..56f3440302e0 100644
--- a/sci-visualization/labplot/metadata.xml
+++ b/sci-visualization/labplot/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-visualization/metadata.xml b/sci-visualization/metadata.xml
index aa4afa65358e..e62db2ea09be 100644
--- a/sci-visualization/metadata.xml
+++ b/sci-visualization/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-visualization category contains scientific visualization
diff --git a/sci-visualization/opendx-samples/metadata.xml b/sci-visualization/opendx-samples/metadata.xml
index 07c8ea7f6e9c..dbbed6257330 100644
--- a/sci-visualization/opendx-samples/metadata.xml
+++ b/sci-visualization/opendx-samples/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-visualization/opendx/metadata.xml b/sci-visualization/opendx/metadata.xml
index 6d247e3f3a3d..5856daec0e1e 100644
--- a/sci-visualization/opendx/metadata.xml
+++ b/sci-visualization/opendx/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-visualization/paraview/metadata.xml b/sci-visualization/paraview/metadata.xml
index 8b232e108f44..a6c779ecf4b5 100644
--- a/sci-visualization/paraview/metadata.xml
+++ b/sci-visualization/paraview/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-visualization/pythonprop/metadata.xml b/sci-visualization/pythonprop/metadata.xml
index e2d993b004b1..27c9a899306a 100644
--- a/sci-visualization/pythonprop/metadata.xml
+++ b/sci-visualization/pythonprop/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-visualization/quickplot/metadata.xml b/sci-visualization/quickplot/metadata.xml
index dfb4c4b2cae6..5190c76ad566 100644
--- a/sci-visualization/quickplot/metadata.xml
+++ b/sci-visualization/quickplot/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-visualization/scidavis/metadata.xml b/sci-visualization/scidavis/metadata.xml
index 1810069d362e..4a839925ffcb 100644
--- a/sci-visualization/scidavis/metadata.xml
+++ b/sci-visualization/scidavis/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>andrewammerlaan@gentoo.org</email>
diff --git a/sci-visualization/spectromatic/metadata.xml b/sci-visualization/spectromatic/metadata.xml
index abcd7bb71213..7bdfbd68cf88 100644
--- a/sci-visualization/spectromatic/metadata.xml
+++ b/sci-visualization/spectromatic/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-visualization/spyview/metadata.xml b/sci-visualization/spyview/metadata.xml
index f3b04df57527..f6eef383d8f6 100644
--- a/sci-visualization/spyview/metadata.xml
+++ b/sci-visualization/spyview/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-visualization/tensorboard/metadata.xml b/sci-visualization/tensorboard/metadata.xml
index d1f23aa30fbd..a27acbcc909d 100644
--- a/sci-visualization/tensorboard/metadata.xml
+++ b/sci-visualization/tensorboard/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-visualization/veusz/metadata.xml b/sci-visualization/veusz/metadata.xml
index 156e8c01a07b..88b291309831 100644
--- a/sci-visualization/veusz/metadata.xml
+++ b/sci-visualization/veusz/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-visualization/xd3d/metadata.xml b/sci-visualization/xd3d/metadata.xml
index 3aa6d3eb7819..d7f800042472 100644
--- a/sci-visualization/xd3d/metadata.xml
+++ b/sci-visualization/xd3d/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-visualization/xgraph/metadata.xml b/sci-visualization/xgraph/metadata.xml
index ed93e12b7321..6ce23eabaf70 100644
--- a/sci-visualization/xgraph/metadata.xml
+++ b/sci-visualization/xgraph/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-visualization/xyscan/metadata.xml b/sci-visualization/xyscan/metadata.xml
index e256ba64de3a..400becd7d379 100644
--- a/sci-visualization/xyscan/metadata.xml
+++ b/sci-visualization/xyscan/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-visualization/zhu3d/metadata.xml b/sci-visualization/zhu3d/metadata.xml
index e112f3bfca7b..9cebad4f3859 100644
--- a/sci-visualization/zhu3d/metadata.xml
+++ b/sci-visualization/zhu3d/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>