diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 696f0e6..d531c4b 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -19,7 +19,7 @@ jobs:
       matrix:
         python-version: ['3.9']
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
@@ -40,7 +40,7 @@ jobs:
         - '3.11'
       fail-fast: false
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}