diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d0d73b5..b36dd1e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v4
@@ -41,7 +41,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 96e7d12..d7dd1b6 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -53,7 +53,7 @@ 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@v4
+      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/jekyll-gh-pages.yml b/.github/workflows/jekyll-gh-pages.yml
index 306b50b..e729658 100644
--- a/.github/workflows/jekyll-gh-pages.yml
+++ b/.github/workflows/jekyll-gh-pages.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Setup Pages
         uses: actions/configure-pages@v5
       - name: Build with Jekyll
diff --git a/.github/workflows/rsr-antipattern.yml b/.github/workflows/rsr-antipattern.yml
index ac08939..e6ce6a0 100644
--- a/.github/workflows/rsr-antipattern.yml
+++ b/.github/workflows/rsr-antipattern.yml
@@ -16,7 +16,7 @@ jobs:
   antipattern-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Check for TypeScript
         run: |
diff --git a/.github/workflows/ts-blocker.yml b/.github/workflows/ts-blocker.yml
index 43465a3..f31b6cc 100644
--- a/.github/workflows/ts-blocker.yml
+++ b/.github/workflows/ts-blocker.yml
@@ -4,7 +4,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Block new TypeScript/JavaScript
         run: |
           NEW_TS=$(git diff --name-only --diff-filter=A HEAD~1 2>/dev/null | grep -E '\.(ts|tsx)$' | grep -v '\.gen\.' || true)