diff --git a/.github/workflows/update_protos.yaml b/.github/workflows/update_protos.yaml
index d65b947..6dffafb 100644
--- a/.github/workflows/update_protos.yaml
+++ b/.github/workflows/update_protos.yaml
@@ -2,7 +2,10 @@ name: Trigger s2-proto-update for downstream repos
 
 on:
   push:
+    branches:
+     - 'repository_dispatch'
     paths:
+      - '**'
       - 's2/**'