diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 87055f7..ee19e68 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
       # Headless Linux runners have no OS keyring; vault tests need a backend.
       PYTHON_KEYRING_BACKEND: keyrings.alt.file.PlaintextKeyring
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: "3.11"
@@ -71,7 +71,7 @@ jobs:
       run:
         working-directory: web
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v6
         with:
           node-version: "24"
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index d206564..db42088 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -22,7 +22,7 @@ jobs:
       matrix:
         language: [python, javascript-typescript]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: github/codeql-action/init@v4
         with:
           languages: ${{ matrix.language }}
diff --git a/.github/workflows/dco.yml b/.github/workflows/dco.yml
index 1c19972..9627ae2 100644
--- a/.github/workflows/dco.yml
+++ b/.github/workflows/dco.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Verify every pull-request commit
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 440838a..987356c 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/dependency-review-action@v5
         with:
           fail-on-severity: high
diff --git a/.github/workflows/installers.yml b/.github/workflows/installers.yml
index ad3f6f3..a6c8dc9 100644
--- a/.github/workflows/installers.yml
+++ b/.github/workflows/installers.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: macos-latest
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: "3.12"
@@ -42,7 +42,7 @@ jobs:
     runs-on: windows-latest
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: "3.12"
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index bf28f3a..d0c1028 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Forbidden reference-project codenames (must be empty)
         run: |
           if grep -rinE "odysseus|openclaw|clawhub|exfoliate|paperclip|earendil|\bpi-coding\b|tongyi|llmfit|opencode" \
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 8
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Install gitleaks
@@ -62,7 +62,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: "3.11"