diff --git a/.github/workflows/python-codecheck.yml b/.github/workflows/python-codecheck.yml
index 63e62bc..b269b7f 100644
--- a/.github/workflows/python-codecheck.yml
+++ b/.github/workflows/python-codecheck.yml
@@ -16,7 +16,7 @@ jobs:
       max-parallel: 5
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python 3.11
       uses: actions/setup-python@v3
       with:
diff --git a/.github/workflows/python-nose.yml b/.github/workflows/python-nose.yml
index 36d7124..2efdf44 100644
--- a/.github/workflows/python-nose.yml
+++ b/.github/workflows/python-nose.yml
@@ -10,7 +10,7 @@ jobs:
       PYTHONPATH: ${{ github.workspace }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python 3.11
       uses: actions/setup-python@v3
       with: