diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 317a59a..dbb4cd8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/docker-build-dockerhub.yml b/.github/workflows/docker-build-dockerhub.yml
index 52d1b6f..899d1f1 100644
--- a/.github/workflows/docker-build-dockerhub.yml
+++ b/.github/workflows/docker-build-dockerhub.yml
@@ -30,7 +30,7 @@ jobs:
       version: ${{ steps.set-version.outputs.VERSION }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Extract version from pyproject.toml
         id: set-version
@@ -54,7 +54,7 @@ jobs:
     environment: production
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
         id: buildx
diff --git a/.github/workflows/publish-mcp-only.yml b/.github/workflows/publish-mcp-only.yml
index f524caf..f0ac3a0 100644
--- a/.github/workflows/publish-mcp-only.yml
+++ b/.github/workflows/publish-mcp-only.yml
@@ -23,7 +23,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set version
         id: version
diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index b6740a8..f2ac81f 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -25,7 +25,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -78,7 +78,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Extract version
         id: version