diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index be7b01f1..100452d5 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -20,11 +20,11 @@ jobs:
       BASE_URL: /map/
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: "22.x"
           cache: "npm"
@@ -50,7 +50,7 @@ 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
@@ -63,7 +63,7 @@ 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 d4781ed0..e7002141 100644
--- a/.github/workflows/test-and-release.yaml
+++ b/.github/workflows/test-and-release.yaml
@@ -9,11 +9,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: "22.x"
           cache: "npm"
@@ -66,11 +66,11 @@ jobs:
           - webkit
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: "22.x"
           cache: "npm"
@@ -83,7 +83,7 @@ jobs:
           HOME: /root
         run: npx playwright test -x --project ${{ matrix.browser }}
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         if: always()
         with:
           name: playwright-report-${{ matrix.browser }}
@@ -104,11 +104,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
         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 17e36658..dfa8d365 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@v5
+        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
 
       - name: Sync repository description
         run: