diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 8aaa0c92..b2a90e27 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -20,7 +20,7 @@ jobs:
         - '3.9'
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python }}
       uses: actions/setup-python@v1