diff --git a/.github/workflows/clang-format.yml b/.github/workflows/clang-format.yml
index 7da40b9..6f76453 100644
--- a/.github/workflows/clang-format.yml
+++ b/.github/workflows/clang-format.yml
@@ -8,7 +8,10 @@ name: Clang-Format
   push:
     branches:
     - master
-  pull_request:
+  pull_request: null
 jobs:
   Clang-Format:
     uses: steinwurf/clang-format-action/.github/workflows/action.yml@4.0.0
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
+  cancel-in-progress: true