diff --git a/dev-python/check-manifest/metadata.xml b/dev-python/check-manifest/metadata.xml
index 5257512406a0f..2a0a893e69e19 100644
--- a/dev-python/check-manifest/metadata.xml
+++ b/dev-python/check-manifest/metadata.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-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>python@gentoo.org</email>