diff --git a/dev-ruby/sexp_processor/metadata.xml b/dev-ruby/sexp_processor/metadata.xml
index 658c72b1920d8..da57b9a67d163 100644
--- a/dev-ruby/sexp_processor/metadata.xml
+++ b/dev-ruby/sexp_processor/metadata.xml
@@ -5,4 +5,7 @@
 	<email>ruby@gentoo.org</email>
 	<name>Gentoo Ruby Project</name>
 </maintainer>
+<upstream>
+	<remote-id type="github">seattlerb/sexp_processor</remote-id>
+</upstream>
 </pkgmetadata>