diff --git a/.github/workflows/cs.yml b/.github/workflows/cs.yml
index c95aaaa..c3da268 100644
--- a/.github/workflows/cs.yml
+++ b/.github/workflows/cs.yml
@@ -9,7 +9,7 @@ on:
 # Cancels all previous workflow runs for the same branch that have not yet completed.
 concurrency:
   # The concurrency group contains the workflow name and the branch name.
-  group: ${{ github.workflow }}-${{ github.head_ref }}
+  group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d466126..fae4b84 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,7 +9,7 @@ on:
 # Cancels all previous workflow runs for the same branch that have not yet completed.
 concurrency:
   # The concurrency group contains the workflow name and the branch name.
-  group: ${{ github.workflow }}-${{ github.head_ref }}
+  group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs: