diff --git a/sci-electronics/gazebo/metadata.xml b/sci-electronics/gazebo/metadata.xml
index f06b5fca3cdf7..1218503b5c0ab 100644
--- a/sci-electronics/gazebo/metadata.xml
+++ b/sci-electronics/gazebo/metadata.xml
@@ -1,8 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-<maintainer type="person">
-<email>aballier@gentoo.org</email>
-<name>Alexis Ballier</name>
-</maintainer>
+	<maintainer type="person">
+		<email>aballier@gentoo.org</email>
+		<name>Alexis Ballier</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">gazebosim/gazebo-classic</remote-id>
+	</upstream>
 </pkgmetadata>