diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c5cf901..439fca1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/parallel-mcp-ci.yml b/.github/workflows/parallel-mcp-ci.yml
index 3e4e9e8..61afee1 100644
--- a/.github/workflows/parallel-mcp-ci.yml
+++ b/.github/workflows/parallel-mcp-ci.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Setup Node
         uses: actions/setup-node@v6
@@ -99,7 +99,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Setup Node
         uses: actions/setup-node@v6
@@ -132,7 +132,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Setup Node
         uses: actions/setup-node@v6
diff --git a/.github/workflows/parallel-mcp-docs.yml b/.github/workflows/parallel-mcp-docs.yml
index 5810a56..f91e3ea 100644
--- a/.github/workflows/parallel-mcp-docs.yml
+++ b/.github/workflows/parallel-mcp-docs.yml
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/parallel-mcp-release.yml b/.github/workflows/parallel-mcp-release.yml
index 2e8b55e..d61bf80 100644
--- a/.github/workflows/parallel-mcp-release.yml
+++ b/.github/workflows/parallel-mcp-release.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7b09d66..0676769 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
       contents: read
       id-token: write   # required for PyPI OIDC + provenance attestation
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-python@v5
         with: