diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 9d4659b..9985705 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -55,7 +55,7 @@ jobs:
         # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # Add any setup steps before running the `github/codeql-action/init` action.
       # This includes steps like installing compilers or runtimes (`actions/setup-node`
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 433cd37..0b2195b 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout repository'
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: 'Dependency Review'
         uses: actions/dependency-review-action@v4
         # Commonly enabled options, see https://github.com/actions/dependency-review-action#configuration-options for all available options.
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 0260a3c..a3f4843 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -6,7 +6,7 @@ jobs:
   lint:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install uv and set Python
         uses: astral-sh/setup-uv@v6
         with:
diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 75ca503..15fa703 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -21,7 +21,7 @@ jobs:
       DM_CLIENT_EMAIL: ${{ secrets.DM_CLIENT_EMAIL }}
       DM_CLIENT_PASSWORD: ${{ secrets.DM_CLIENT_PASSWORD }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install uv and set Python ${{ matrix.python-version }}
         uses: astral-sh/setup-uv@v6
         with: