diff --git a/sdk_container/src/third_party/portage-stable/dev-lang/yasm/metadata.xml b/sdk_container/src/third_party/portage-stable/dev-lang/yasm/metadata.xml
index d6e3b023f6..d73a43c853 100644
--- a/sdk_container/src/third_party/portage-stable/dev-lang/yasm/metadata.xml
+++ b/sdk_container/src/third_party/portage-stable/dev-lang/yasm/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="project">
-    <email>base-system@gentoo.org</email>
-    <name>Gentoo Base System</name>
-  </maintainer>
+	<maintainer type="project">
+		<email>base-system@gentoo.org</email>
+		<name>Gentoo Base System</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">yasm/yasm</remote-id>
+	</upstream>
 </pkgmetadata>