diff --git a/dev-libs/keystone/metadata.xml b/dev-libs/keystone/metadata.xml
index 2393af55ec399..3ce5bd725949f 100644
--- a/dev-libs/keystone/metadata.xml
+++ b/dev-libs/keystone/metadata.xml
@@ -1,7 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-	<!-- maintainer-needed -->
+	<maintainer type="person" proxied="yes">
+		<email>mario.haustein@hrz.tu-chemnitz.de</email>
+		<name>Mario Haustein</name>
+	</maintainer>
+	<maintainer type="project" proxied="proxy">
+		<email>proxy-maint@gentoo.org</email>
+		<name>Proxy Maintainers</name>
+	</maintainer>
 	<upstream>
 		<remote-id type="github">keystone-engine/keystone</remote-id>
 	</upstream>