diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 0073c2e..4989fac 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.1
       - name: Set up Python
         uses: actions/setup-python@v5.2.0
         with:
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.1
       - name: Set up Python
         uses: actions/setup-python@v5.2.0
         with:
@@ -50,7 +50,7 @@ jobs:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.1
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5.2.0
         with:
@@ -77,7 +77,7 @@ jobs:
     needs: test
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v4.1.7
+        uses: actions/checkout@v4.2.1
       - name: Set up Python
         uses: actions/setup-python@v5.2.0
         with:
diff --git a/.github/workflows/pythonpublish.yml b/.github/workflows/pythonpublish.yml
index 29c9e32..7d8ac96 100644
--- a/.github/workflows/pythonpublish.yml
+++ b/.github/workflows/pythonpublish.yml
@@ -8,7 +8,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4.1.7
+    - uses: actions/checkout@v4.2.1
     - name: Set up Python
       uses: actions/setup-python@v5.2.0
       with: