diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3465d986..e7f49838 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ on:
   pull_request:
 
 concurrency:
-  group: test-${{ github.head_ref }}
+  group: test-${{ github.head_ref || github.ref }}
   cancel-in-progress: true
 
 env: