diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
new file mode 100644
index 0000000..28ccdf1
--- /dev/null
+++ b/.github/workflows/pages.yml
@@ -0,0 +1,48 @@
+name: Deploy Pages on PR merge
+
+on:
+  pull_request:
+    branches:
+      - main
+    types:
+      - closed
+
+permissions:
+  contents: read
+
+concurrency:
+  group: github-pages
+  cancel-in-progress: true
+
+jobs:
+  deploy:
+    # A closed PR that was not merged must not build or deploy anything.
+    if: ${{ github.event.pull_request.merged == true }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pages: write
+      id-token: write
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+      - name: Checkout merged main
+        uses: actions/checkout@v4
+        with:
+          ref: main
+
+      - name: Prepare static site
+        run: |
+          mkdir -p _site
+          cp index.html _site/index.html
+
+      - name: Upload Pages artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: _site
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v5