diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c6c93ef..8f1f074 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ${{ matrix.buildplat }}
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Set up Python
       uses: actions/setup-python@v4
       with: