diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 288205c..a2220ea 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -32,7 +32,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/docs-deploy.yml b/.github/workflows/docs-deploy.yml
index 9b23f49..60b03ee 100644
--- a/.github/workflows/docs-deploy.yml
+++ b/.github/workflows/docs-deploy.yml
@@ -16,7 +16,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Set up Python
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index c28c3a3..bccbbd9 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
diff --git a/.github/workflows/python-test.yml b/.github/workflows/python-test.yml
index dc3906e..00d68fa 100644
--- a/.github/workflows/python-test.yml
+++ b/.github/workflows/python-test.yml
@@ -25,7 +25,7 @@ jobs:
     name: Lint (ruff)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Install uv
         uses: astral-sh/setup-uv@v7
       - name: Sync dev dependencies (locked)
@@ -39,7 +39,7 @@ jobs:
     name: Type-check (mypy)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Install uv
         uses: astral-sh/setup-uv@v7
       - name: Sync dev dependencies (locked)
@@ -55,7 +55,7 @@ jobs:
       matrix:
         python-version: ['3.12', '3.13', '3.14']
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with:
@@ -95,7 +95,7 @@ jobs:
     name: Conformance (FreeRADIUS corpus)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Install uv
         uses: astral-sh/setup-uv@v7
       - name: Sync dev dependencies (locked)