diff --git a/.github/actions/setup-deps/action.yml b/.github/actions/setup-deps/action.yml
index 97a16ff65..c12ff4d43 100644
--- a/.github/actions/setup-deps/action.yml
+++ b/.github/actions/setup-deps/action.yml
@@ -5,13 +5,13 @@ runs:
   using: composite
   steps:
     - name: Setup Node.js
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
       with:
         node-version-file: .nvmrc
 
     - name: Cache deps
       id: yarn-cache
-      uses: actions/cache@v4
+      uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
       with:
         path: |
           ./node_modules
diff --git a/.github/actions/setup-website-deps/action.yml b/.github/actions/setup-website-deps/action.yml
index 59a2274a7..e89cb87c9 100644
--- a/.github/actions/setup-website-deps/action.yml
+++ b/.github/actions/setup-website-deps/action.yml
@@ -5,13 +5,13 @@ runs:
   using: composite
   steps:
     - name: Setup Node.js
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
       with:
         node-version-file: .nvmrc
 
     - name: Cache website deps
       id: yarn-cache-website
-      uses: actions/cache@v4
+      uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
       with:
         path: |
           ./website/node_modules
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2ae19a96e..b18ba65ec 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     name: Install and Cache deps
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Setup
         uses: ./.github/actions/setup-deps
@@ -26,7 +26,7 @@ jobs:
     name: Lint
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Setup Node.js and deps
         uses: ./.github/actions/setup-deps
@@ -40,7 +40,7 @@ jobs:
     name: Typecheck
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Setup Node.js and deps
         uses: ./.github/actions/setup-deps
@@ -54,7 +54,7 @@ jobs:
     name: Test
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Setup Node.js and deps
         uses: ./.github/actions/setup-deps
@@ -63,7 +63,7 @@ jobs:
         run: yarn test:ci:coverage
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@18283e04ce6e62d37312384ff67231eb8fd56d24 # v5.4.3
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
@@ -73,7 +73,7 @@ jobs:
     name: Test React 18
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Setup Node.js and deps
         uses: ./.github/actions/setup-deps
diff --git a/.github/workflows/example-apps.yml b/.github/workflows/example-apps.yml
index 9feb6210a..28de40c3b 100644
--- a/.github/workflows/example-apps.yml
+++ b/.github/workflows/example-apps.yml
@@ -19,10 +19,10 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: 24
           cache: 'yarn'
diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
index 2fcbe3875..6c69a9577 100644
--- a/.github/workflows/website.yml
+++ b/.github/workflows/website.yml
@@ -18,7 +18,7 @@ jobs:
     name: Test Website
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Setup Node.js and website deps
         uses: ./.github/actions/setup-website-deps
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Setup Node.js and website deps
         uses: ./.github/actions/setup-website-deps
@@ -43,7 +43,7 @@ jobs:
       # Popular action to deploy to GitHub Pages:
       # Docs: https://github.com/peaceiris/actions-gh-pages#%EF%B8%8F-docusaurus
       - name: Deploy to GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@373f7f263a76c20808c831209c920827a82a2847 # v3.9.3
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./website/build