diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2ad76c9..f4ebd22 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
       matrix:
         python-version: ["3.11", "3.12"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 935a8e9..0875450 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -21,7 +21,7 @@ jobs:
       matrix:
         language: [python]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 66949c1..31216ea 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -12,7 +12,7 @@ jobs:
   dependency-review:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/dependency-review-action@v4
         with:
           fail-on-severity: high
diff --git a/.github/workflows/label-sync.yml b/.github/workflows/label-sync.yml
index 410a720..a536d4e 100644
--- a/.github/workflows/label-sync.yml
+++ b/.github/workflows/label-sync.yml
@@ -13,7 +13,7 @@ jobs:
     name: Auto-label by path
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Get changed files
         id: changed
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cf319d2..61de991 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     if: "!contains(github.event.head_commit.message, '[skip ci]')"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 717db33..0dd5192 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -10,7 +10,7 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Validate plugin.json
         run: python3 -c "import json; json.load(open('.cursor-plugin/plugin.json'))"