diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 671f915..147138f 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -39,7 +39,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 0281d61..a2916b9 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -37,7 +37,7 @@ jobs:
           --health-timeout 5s
           --health-retries 5
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
       with:
@@ -65,7 +65,7 @@ jobs:
     if: github.event_name == 'pull_request'
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Run build
         run: docker build . --file Dockerfile
   # Push image to GitHub Packages.
@@ -76,7 +76,7 @@ jobs:
     runs-on: ubuntu-24.04
     if: github.event_name == 'push'
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Login to Docker Hub
         uses: docker/login-action@v3
         with: