diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 5c885c3..bad7416 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -11,7 +11,7 @@ jobs:
   Style_test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
       with:
         python-version: '3.x'