diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 000000000..2c48305b7
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      github-actions:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d50894ad8..ea1941a68 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,15 +19,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       # Version comes from `packageManager` in package.json; naming it here
       # too makes the action refuse to install.
       - name: Set up pnpm
-        uses: pnpm/action-setup@v6
+        uses: pnpm/action-setup@0977fd99725f1db4007ccb2928dbb4e90d06cc86 # v6.0.10
 
       - name: Set up Node.js
-        uses: actions/setup-node@v7
+        uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version-file: .nvmrc
           cache: pnpm
diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
index 94f478290..61f222695 100644
--- a/.github/workflows/deploy-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -27,15 +27,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out Huabu
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       # Version comes from `packageManager` in package.json; naming it here
       # too makes the action refuse to install.
       - name: Set up pnpm
-        uses: pnpm/action-setup@v6
+        uses: pnpm/action-setup@0977fd99725f1db4007ccb2928dbb4e90d06cc86 # v6.0.10
 
       - name: Set up Node.js
-        uses: actions/setup-node@v7
+        uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version-file: .nvmrc
           cache: pnpm
@@ -46,7 +46,7 @@ jobs:
 
       - name: Configure GitHub Pages
         id: pages
-        uses: actions/configure-pages@v5
+        uses: actions/configure-pages@983d7736d9b0ae728b81ab479565c72886d7745b # v5.0.0
 
       - name: Build website and handbook
         run: pnpm --filter @huabu/docs build
@@ -55,7 +55,7 @@ jobs:
           DOCS_CANONICAL_ORIGIN: ${{ steps.pages.outputs.origin }}
 
       - name: Upload website artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa # v3.0.1
         with:
           path: apps/docs/dist
 
@@ -69,4 +69,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # v4.0.5
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 548add045..83228ca73 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -31,7 +31,7 @@ jobs:
       GH_TOKEN: ${{ github.token }}
       GH_REPO: ${{ github.repository }}
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Generate version
         id: version
@@ -113,11 +113,11 @@ jobs:
       GH_REPO: ${{ github.repository }}
       RELEASE_TAG: ${{ needs.prepare.outputs.tag }}
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
-      - uses: pnpm/action-setup@v6
+      - uses: pnpm/action-setup@0977fd99725f1db4007ccb2928dbb4e90d06cc86 # v6.0.10
 
-      - uses: actions/setup-node@v7
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version: 22
           cache: pnpm
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 88863f9f7..05a9d6345 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -84,14 +84,14 @@ jobs:
       GH_REPO: ${{ github.repository }}
       RELEASE_TAG: ${{ github.event.inputs.tag || github.ref_name }}
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       # Version is inferred from `packageManager` in package.json
       # (pnpm@10.28.2+sha512…) — passing it again here would conflict
       # with the sha-pinned value and fail with ERR_PNPM_BAD_PM_VERSION.
-      - uses: pnpm/action-setup@v6
+      - uses: pnpm/action-setup@0977fd99725f1db4007ccb2928dbb4e90d06cc86 # v6.0.10
 
-      - uses: actions/setup-node@v7
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version: 22
           cache: pnpm
@@ -177,11 +177,11 @@ jobs:
       GH_REPO: ${{ github.repository }}
       RELEASE_TAG: ${{ github.event.inputs.tag || github.ref_name }}
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
-      - uses: pnpm/action-setup@v6
+      - uses: pnpm/action-setup@0977fd99725f1db4007ccb2928dbb4e90d06cc86 # v6.0.10
 
-      - uses: actions/setup-node@v7
+      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
         with:
           node-version: 22
           cache: pnpm