diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8d6ad73..865215e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Python 3.10
       uses: actions/setup-python@v4
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 6217b5e..0d29b06 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -24,7 +24,7 @@ jobs:
       PYTHON: ${{ matrix.python-version }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4