diff --git a/stubs/s2clientprotocol/METADATA.toml b/stubs/s2clientprotocol/METADATA.toml
index 1fd4f42eb..7df358b65 100644
--- a/stubs/s2clientprotocol/METADATA.toml
+++ b/stubs/s2clientprotocol/METADATA.toml
@@ -1,2 +1,3 @@
 version = "5.*"
+upstream_repository = "https://github.com/Blizzard/s2client-proto"
 requires = ["types-protobuf"]