diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f70f2ce..1fa79d3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
         with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 8780c65..9fe02c8 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: github/codeql-action/init@v4
         with:
           languages: javascript-typescript
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index e396ea2..0246d8a 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -9,7 +9,7 @@ jobs:
   dependency-review:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/dependency-review-action@v4
         continue-on-error: true
         with:
diff --git a/.github/workflows/eval-gate.yml b/.github/workflows/eval-gate.yml
index bc12f5c..17a641e 100644
--- a/.github/workflows/eval-gate.yml
+++ b/.github/workflows/eval-gate.yml
@@ -15,7 +15,7 @@ jobs:
         working-directory: packages/opencode-swarm-plugin
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
         with:
diff --git a/.github/workflows/opencode.yml b/.github/workflows/opencode.yml
index c5d16cc..e186be4 100644
--- a/.github/workflows/opencode.yml
+++ b/.github/workflows/opencode.yml
@@ -21,7 +21,7 @@ jobs:
       issues: read
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Run opencode
         uses: sst/opencode/github@latest
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index ea1b473..1f14f92 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
 
diff --git a/.github/workflows/vouch-manage-by-issue.yml b/.github/workflows/vouch-manage-by-issue.yml
index f6b977b..abf6904 100644
--- a/.github/workflows/vouch-manage-by-issue.yml
+++ b/.github/workflows/vouch-manage-by-issue.yml
@@ -16,7 +16,7 @@ jobs:
   manage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: mitchellh/vouch/action/manage-by-issue@main
         with:
           issue-id: ${{ github.event.issue.number }}