diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 68d97b8..0688eed 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -44,7 +44,7 @@ jobs:
     timeout-minutes: 20
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4