diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 2db2224..9807b93 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -18,7 +18,7 @@ env:
   AUDIT_VERSION: 0.22.1
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
   cancel-in-progress: true
 
 jobs: