diff --git a/.github/workflows/periodic-update.yml b/.github/workflows/periodic-update.yml
index 3092575..21897b9 100644
--- a/.github/workflows/periodic-update.yml
+++ b/.github/workflows/periodic-update.yml
@@ -2,7 +2,8 @@ name: Periodic updates
 
 on:
   push:
-    branches: [ main ]
+    branches: [ master ]
+    paths: [ files.list ]
   schedule:
     - cron: "0 0 * * *"
   workflow_dispatch: ~
@@ -27,9 +28,25 @@ jobs:
 
       - name: Push
         uses: JamesIves/github-pages-deploy-action@v4
+        id: deploy-file
         with:
           branch: master
           folder: .
           git-config-name: github-actions[bot]
           git-config-email: 41898282+github-actions[bot]@users.noreply.github.com
           commit-message: updated ${{ steps.current-time.outputs.formattedTime }} UTC
+
+      - name: tagging-get-current-time
+        if: ${{ steps.deploy-file.outputs.deployment-status == 'success' }}
+        uses: srfrnk/current-time@master
+        id: current-time-tagging
+        with:
+          format: "YYYYMMDD"
+        
+      - name: tagging
+        if: ${{ steps.deploy-file.outputs.deployment-status == 'success' }}
+        uses: anothrNick/github-tag-action@1.75.0
+        env:
+          CUSTOM_TAG: ${{ steps.current-time-tagging.outputs.formattedTime }}
+          DEFAULT_BRANCH: master
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/verify-update.yml b/.github/workflows/verify-update.yml
new file mode 100644
index 0000000..e941260
--- /dev/null
+++ b/.github/workflows/verify-update.yml
@@ -0,0 +1,18 @@
+name: Verify updates (check only)
+
+on:
+  pull_request:
+    paths: [ files.list ]
+  workflow_dispatch: ~
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Update
+        run: |
+          bash update-files.sh