diff --git a/.github/workflows/publish-docs.yml b/.github/workflows/publish-docs.yml
index bdc5be7..87ac14d 100644
--- a/.github/workflows/publish-docs.yml
+++ b/.github/workflows/publish-docs.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Check out repository
-      uses: actions/checkout@v4.1.7
+      uses: actions/checkout@v4.2.1
     - name: Set up Python 3.x
       uses: actions/setup-python@v5.2.0
       with:
diff --git a/.github/workflows/publish-package.yml b/.github/workflows/publish-package.yml
index 1bd0e40..e2d153d 100644
--- a/.github/workflows/publish-package.yml
+++ b/.github/workflows/publish-package.yml
@@ -15,7 +15,7 @@ jobs:
       id-token: write
     steps:
     - name: Check out repository
-      uses: actions/checkout@v4.1.7
+      uses: actions/checkout@v4.2.1
     - name: Set up Python 3.x
       uses: actions/setup-python@v5.2.0
       with:
diff --git a/.github/workflows/quality-check.yml b/.github/workflows/quality-check.yml
index 6b0c88e..86a7b18 100644
--- a/.github/workflows/quality-check.yml
+++ b/.github/workflows/quality-check.yml
@@ -26,7 +26,7 @@ jobs:
       PIP_DISABLE_PIP_VERSION_CHECK: 1
     steps:
       - name: Check out repository
-        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: