diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 9c9e723d67..6f093f7f95 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -13,9 +13,11 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+        with:
+          persist-credentials: false
       - name: Install Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af
         with:
           node-version: 20
           cache: npm
@@ -24,7 +26,7 @@ jobs:
       - name: Build playground
         run: npm run build
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@56afc609e74202658d3ffba0e8f6dda462b719fa
         with:
           path: ./playground/
 
@@ -40,4 +42,4 @@ jobs:
     steps:
     - name: Deploy to GitHub Pages
       id: deployment
-      uses: actions/deploy-pages@v4
+      uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e
diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index a7a913a7dc..3a0a90da68 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -8,9 +8,11 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+      with:
+        persist-credentials: false
     - name: Install Node.js
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af
       with:
         node-version: 20
         cache: npm