diff --git a/.github/workflows/pages.yaml b/.github/workflows/pages.yaml
new file mode 100644
index 0000000..1acc277
--- /dev/null
+++ b/.github/workflows/pages.yaml
@@ -0,0 +1,40 @@
+name: Deploy visualizer to GitHub Pages
+
+on:
+  push:
+    branches: [data]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+      - name: Checkout data branch
+        uses: actions/checkout@v4
+        with:
+          ref: data
+
+      - name: Configure Pages
+        uses: actions/configure-pages@v4
+
+      - name: Upload site artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: viz
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4