diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 39c292e1..f18b5fe6 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -30,7 +30,7 @@ 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/containers.yml b/.github/workflows/containers.yml
index 37a7ae43..02dd51c3 100644
--- a/.github/workflows/containers.yml
+++ b/.github/workflows/containers.yml
@@ -39,7 +39,7 @@ jobs:
     # Or if we are in a tagged release scenario.
     if: ${{ github.event.workflow_run.conclusion == 'success' }} || ${{ github.event.release.tag_name }} != ''
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python 3.11
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/pypi-release.yml b/.github/workflows/pypi-release.yml
index 24a2230b..50172dad 100644
--- a/.github/workflows/pypi-release.yml
+++ b/.github/workflows/pypi-release.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
diff --git a/.github/workflows/test-container-build.yml b/.github/workflows/test-container-build.yml
index b1bc503c..70a2f6b3 100644
--- a/.github/workflows/test-container-build.yml
+++ b/.github/workflows/test-container-build.yml
@@ -44,7 +44,7 @@ jobs:
           - platform: linux/arm64
             dockerfile: ./.github/test/Dockerfile-alpine
     steps:
-        - uses: actions/checkout@v5
+        - uses: actions/checkout@v6
         - name: Set up Python 3.11
           uses: actions/setup-python@v6
           with:
diff --git a/.github/workflows/test-only.yml b/.github/workflows/test-only.yml
index d3e8c827..3de8692b 100644
--- a/.github/workflows/test-only.yml
+++ b/.github/workflows/test-only.yml
@@ -7,7 +7,7 @@ jobs:
   lint-code:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Lint with Ruff
         run: |
           pip install ruff
diff --git a/.github/workflows/test-stack-reusable-workflow.yml b/.github/workflows/test-stack-reusable-workflow.yml
index 85bda348..3f35d0d4 100644
--- a/.github/workflows/test-stack-reusable-workflow.yml
+++ b/.github/workflows/test-stack-reusable-workflow.yml
@@ -21,7 +21,7 @@ jobs:
     env:
       PYTHON_VERSION: ${{ inputs.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@v6
@@ -66,7 +66,7 @@ jobs:
     env:
       PYTHON_VERSION: ${{ inputs.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download Docker image artifact
         uses: actions/download-artifact@v6
@@ -93,7 +93,7 @@ jobs:
     env:
       PYTHON_VERSION: ${{ inputs.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download Docker image artifact
         uses: actions/download-artifact@v6
@@ -132,7 +132,7 @@ jobs:
     env:
       PYTHON_VERSION: ${{ inputs.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download Docker image artifact
         uses: actions/download-artifact@v6
@@ -174,7 +174,7 @@ jobs:
     env:
       PYTHON_VERSION: ${{ inputs.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download Docker image artifact
         uses: actions/download-artifact@v6
@@ -214,7 +214,7 @@ jobs:
     env:
       PYTHON_VERSION: ${{ inputs.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download Docker image artifact
         uses: actions/download-artifact@v6
@@ -250,7 +250,7 @@ jobs:
     env:
       PYTHON_VERSION: ${{ inputs.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download Docker image artifact
         uses: actions/download-artifact@v6
@@ -279,7 +279,7 @@ jobs:
     env:
       PYTHON_VERSION: ${{ inputs.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download Docker image artifact
         uses: actions/download-artifact@v6
@@ -319,7 +319,7 @@ jobs:
     env:
       PYTHON_VERSION: ${{ inputs.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download Docker image artifact
         uses: actions/download-artifact@v6
@@ -350,7 +350,7 @@ jobs:
     env:
       PYTHON_VERSION: ${{ inputs.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download Docker image artifact
         uses: actions/download-artifact@v6
@@ -395,7 +395,7 @@ jobs:
     env:
       PYTHON_VERSION: ${{ inputs.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download Docker image artifact
         uses: actions/download-artifact@v6