diff --git a/.github/workflows/csfix.yml b/.github/workflows/csfix.yml
index 483dd9b..54169ed 100644
--- a/.github/workflows/csfix.yml
+++ b/.github/workflows/csfix.yml
@@ -13,7 +13,7 @@ jobs:
     if: github.event.pull_request.head.repo.full_name == github.repository
     
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
       with:
         ref: ${{ github.head_ref }}