diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 6415b3df..b36b2987 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -12,7 +12,7 @@ jobs:
   publish-to-testpypi:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Python 3.9
         uses: actions/setup-python@v4
         with: