diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 9194e4f..f3ae58e 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set Python
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 9a4888b..62f0897 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Check out repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Prepare python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
@@ -42,7 +42,7 @@ jobs:
 
     steps:
     - name: Check out repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Prepare python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a5669be..a1715e9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
     - name: Check out repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Prepare python ${{ matrix.python-version }}
       uses: actions/setup-python@v6