diff --git a/.github/workflows/python-test.yml b/.github/workflows/python-test.yml
index 345c919..1348630 100644
--- a/.github/workflows/python-test.yml
+++ b/.github/workflows/python-test.yml
@@ -36,7 +36,7 @@ jobs:
         py-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       # general Python setup
       - name: Set up Python ${{ matrix.py-version }}