diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 331a0eca..365c5e9d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
         python-version: ["3.9", "3.10", "3.11"]  # see #590 for "3.12"
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with: