diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2afba74..9d3ff3b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install pnpm
         uses: pnpm/action-setup@v3
@@ -54,7 +54,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install pnpm
         uses: pnpm/action-setup@v3
@@ -94,7 +94,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install pnpm
         uses: pnpm/action-setup@v3
@@ -119,7 +119,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Run security audit
         run: pnpm audit --audit-level=high || true
\ No newline at end of file
diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index 4caf96a..9f6ecf3 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@v5
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index ae36c00..f39ab24 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@v5
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 6bb9579..382223a 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cea7cba..ac79041 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install pnpm
         uses: pnpm/action-setup@v3