diff --git a/sdk_container/src/third_party/portage-stable/dev-util/gperf/metadata.xml b/sdk_container/src/third_party/portage-stable/dev-util/gperf/metadata.xml
index d69e5f6f28..8ec7a6f186 100644
--- a/sdk_container/src/third_party/portage-stable/dev-util/gperf/metadata.xml
+++ b/sdk_container/src/third_party/portage-stable/dev-util/gperf/metadata.xml
@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-	<maintainer type="person">
-		<email>blueness@gentoo.org</email>
-	</maintainer>
+  <maintainer type="person">
+    <email>blueness@gentoo.org</email>
+  </maintainer>
+  <upstream>
+    <remote-id type="savannah">gperf</remote-id>
+  </upstream>
 </pkgmetadata>