diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 5f68db7..434eee4 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Check out repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Prepare python ${{ matrix.python-version }}
       uses: actions/setup-python@v1
@@ -42,7 +42,7 @@ jobs:
 
     steps:
     - name: Check out repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Prepare python ${{ matrix.python-version }}
       uses: actions/setup-python@v1
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 80a36e4..0b0136f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Check out repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Prepare python ${{ matrix.python-version }}
       uses: actions/setup-python@v1