diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 112d4b1..6088779 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -3,12 +3,15 @@ on:
   workflow_dispatch:
   push:
   pull_request:
-    types: [opened]  
+    types: [opened]
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref_protected && github.run_id || github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4
+      - uses: actions/checkout@4
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal