diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index f5ce5e6df..3bb73167b 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -17,11 +17,11 @@ jobs:
     environment: production
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: "22.x"
           cache: "npm"
@@ -51,7 +51,7 @@ jobs:
 
       - name: Cache AWS CLI (Linux)
         id: cache-aws-cli
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: aws/
           key: cache-aws-cli
@@ -64,7 +64,7 @@ jobs:
           sudo ./aws/install --update
 
       - name: configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v4
+        uses: aws-actions/configure-aws-credentials@7474bc4690e29a8392af63c5b98e7449536d5c3a # v4
         with:
           role-to-assume: ${{ secrets.AWS_ROLE }}
           role-session-name: gh-actions-publish
diff --git a/.github/workflows/test-and-release.yaml b/.github/workflows/test-and-release.yaml
index ecb70ee05..683e0185f 100644
--- a/.github/workflows/test-and-release.yaml
+++ b/.github/workflows/test-and-release.yaml
@@ -18,11 +18,11 @@ jobs:
     environment: production
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: "22.x"
           cache: "npm"
@@ -57,11 +57,11 @@ jobs:
     environment: ci
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: "22.x"
           cache: "npm"
@@ -77,7 +77,7 @@ jobs:
 
       - name: Cache Playwright Browsers for Playwright's Version
         id: cache-playwright-browsers
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: ~/.cache/ms-playwright
           key: playwright-browsers-${{ env.PLAYWRIGHT_VERSION }}
@@ -102,7 +102,7 @@ jobs:
         id: dateAsString
         run: echo "dateAsString=$(date +'%Y%m%d%H%M%S')" >> $GITHUB_ENV
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         if: failure()
         with:
           name: e2e-test-results-${{ env.dateAsString }}-${{ github.sha }}
@@ -117,11 +117,11 @@ jobs:
     if: github.ref == 'refs/heads/saga'
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: "22.x"
           cache: "npm"
diff --git a/.github/workflows/update-repo-info.yaml b/.github/workflows/update-repo-info.yaml
index da74ffdfa..4e840d512 100644
--- a/.github/workflows/update-repo-info.yaml
+++ b/.github/workflows/update-repo-info.yaml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
 
       - name: Sync repository description
         run: