diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7fa8c2c..180b442 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
         node-version: [18, 20, 22]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
diff --git a/.github/workflows/changesets-renovate.yml b/.github/workflows/changesets-renovate.yml
index d32ba96..08442e3 100644
--- a/.github/workflows/changesets-renovate.yml
+++ b/.github/workflows/changesets-renovate.yml
@@ -14,7 +14,7 @@ jobs:
     if: github.actor == 'renovate[bot]'
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 2
           ref: ${{ github.head_ref }}
diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index 44ae560..33a1f5a 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -27,7 +27,7 @@ jobs:
     
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index f38eff2..83b22e6 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -26,7 +26,7 @@ jobs:
       actions: read # Required for Claude to read CI results on PRs
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index c47c7a0..a8f45c6 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1