diff --git a/.github/workflows/auto-release.yml b/.github/workflows/auto-release.yml
index 13d7e18..4156ed3 100644
--- a/.github/workflows/auto-release.yml
+++ b/.github/workflows/auto-release.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
         token: ${{ secrets.AI_GITHUB_TOKEN }}
diff --git a/.github/workflows/manual-release.yml b/.github/workflows/manual-release.yml
index c54dacb..dcf12ac 100644
--- a/.github/workflows/manual-release.yml
+++ b/.github/workflows/manual-release.yml
@@ -10,7 +10,7 @@ jobs:
     timeout-minutes: 10
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     
     - name: Set up Python
       uses: actions/setup-python@v4
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 914ee63..1623ac0 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -20,7 +20,7 @@ jobs:
     timeout-minutes: 15
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
@@ -71,7 +71,7 @@ jobs:
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     
     - name: Set up Python
       uses: actions/setup-python@v4
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index b804f76..6bfbdf0 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -15,7 +15,7 @@ jobs:
     timeout-minutes: 10
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     
     - name: Set up Python
       uses: actions/setup-python@v4
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 01658d4..8b89532 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ jobs:
     timeout-minutes: 15
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
diff --git a/.github/workflows/version-bump.yml b/.github/workflows/version-bump.yml
index a76c915..2d854c4 100644
--- a/.github/workflows/version-bump.yml
+++ b/.github/workflows/version-bump.yml
@@ -25,7 +25,7 @@ jobs:
     if: github.event_name == 'workflow_dispatch' || (github.event_name == 'push' && github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master')
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
         token: ${{ secrets.AI_GITHUB_TOKEN }}