diff --git a/.github/workflows/check_diffs.yml b/.github/workflows/check_diffs.yml
index b5729611645..6d796db144b 100644
--- a/.github/workflows/check_diffs.yml
+++ b/.github/workflows/check_diffs.yml
@@ -3,7 +3,7 @@ name: CI
 
 on:
   push:
-    branches: [master]
+    branches: [cc/test_13]
   pull_request:
 
 # If another push to the same PR or branch happens while this workflow is still running,