diff --git a/.github/workflows/pr-code-format.yml b/.github/workflows/pr-code-format.yml
index d99eaf2f244d9e..cd790b877ec8c0 100644
--- a/.github/workflows/pr-code-format.yml
+++ b/.github/workflows/pr-code-format.yml
@@ -14,6 +14,9 @@ jobs:
   code_formatter:
     runs-on: ubuntu-latest
     timeout-minutes: 30
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
+      cancel-in-progress: true
     steps:
       - name: Fetch LLVM sources
         uses: actions/checkout@v4