diff --git a/.github/workflows/pdm.yml b/.github/workflows/pdm.yml
index 7d3b97af..44d688ff 100644
--- a/.github/workflows/pdm.yml
+++ b/.github/workflows/pdm.yml
@@ -8,7 +8,7 @@ jobs:
   update-dependencies:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
 
       - name: Update dependencies
         uses: pdm-project/update-deps-action@main