diff --git a/.github/workflows/deploy-ui-demo-gh-pages.yml b/.github/workflows/deploy-ui-demo-gh-pages.yml
new file mode 100644
index 0000000..c142ca0
--- /dev/null
+++ b/.github/workflows/deploy-ui-demo-gh-pages.yml
@@ -0,0 +1,23 @@
+name: Deploy UI demo gh-pages
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: subosito/flutter-action@v1
+      - run: flutter config --enable-web
+        shell: bash
+        working-directory: .
+      - run: flutter build web --release --base-href /messenger/
+        shell: bash
+        working-directory: ./packages/messenger
+      - uses: peaceiris/actions-gh-pages@v3
+        with:
+          deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
+          publish_dir: ./packages/messenger/build/web