diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1efb364..69cc619 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
           - {name: '3.7', python: '3.7', os: ubuntu-latest, tox: py37}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python }}