diff --git a/.github/workflows/ci-proto.yml b/.github/workflows/ci-proto.yml
index 453848f..d1f5e57 100644
--- a/.github/workflows/ci-proto.yml
+++ b/.github/workflows/ci-proto.yml
@@ -20,7 +20,7 @@ jobs:
     name: Buf Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: bufbuild/buf-setup-action@v1
         with:
@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'pull_request'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -49,7 +49,7 @@ jobs:
     name: Go Build Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: bufbuild/buf-setup-action@v1
         with:
@@ -70,7 +70,7 @@ jobs:
     name: Python Import Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: bufbuild/buf-setup-action@v1
         with:
@@ -105,7 +105,7 @@ jobs:
     name: TypeScript Build Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: bufbuild/buf-setup-action@v1
         with:
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 8f277b1..b169174 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -19,22 +19,22 @@ jobs:
 
     steps:
       - name: Checkout main repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Checkout relay
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           repository: agentanycast/agentanycast-relay
           path: agentanycast-relay
 
       - name: Checkout node
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           repository: agentanycast/agentanycast-node
           path: agentanycast-node
 
       - name: Checkout python SDK
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           repository: agentanycast/agentanycast-python
           path: agentanycast-python