diff --git a/tests/test_nightly_release_template.py b/tests/test_nightly_release_template.py
index 482fa1a..ba9b26c 100644
--- a/tests/test_nightly_release_template.py
+++ b/tests/test_nightly_release_template.py
@@ -43,6 +43,15 @@ def test_checkout_credentials_are_not_persisted(self) -> None:
         self.assertIn("permissions:\n  contents: write", content)
         self.assertNotIn("actions: write", content)
 
+    def test_concurrency_only_cancels_runs_for_the_same_branch(self) -> None:
+        content = TEMPLATE.read_text(encoding="utf-8")
+
+        self.assertIn(
+            "group: nightly-release-${{ github.repository }}-${{ github.ref_name }}",
+            content,
+        )
+        self.assertIn("cancel-in-progress: true", content)
+
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/workflow-templates/nightly-release.yml b/workflow-templates/nightly-release.yml
index f0a0f78..abfd431 100644
--- a/workflow-templates/nightly-release.yml
+++ b/workflow-templates/nightly-release.yml
@@ -18,7 +18,7 @@ permissions:
   contents: write
 
 concurrency:
-  group: nightly-release-${{ github.repository }}
+  group: nightly-release-${{ github.repository }}-${{ github.ref_name }}
   cancel-in-progress: true
 
 jobs: