diff --git a/.github/workflows/pycodestyle.yaml b/.github/workflows/pycodestyle.yaml
index 74c7409..bd1a1b0 100644
--- a/.github/workflows/pycodestyle.yaml
+++ b/.github/workflows/pycodestyle.yaml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.0.1
 
       - uses: actions/setup-python@v2.3.2
         with: