diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index e90cf314..1669ef7a 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -6,8 +6,6 @@ name: Pages
 
 on:
   push:
-    branches:
-      - main
     paths:
       - docs/**
       - mkdocs.yml
@@ -16,7 +14,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: 'pages'
+  group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 permissions:
@@ -69,6 +67,13 @@ jobs:
         with:
           path: 'site'
 
+      - name: Preview
+        uses: actions/deploy-pages@af48cf94a42f2c634308b1c9dc0151830b6f190a # v2.0.1
+        if: github.ref != 'refs/heads/main'
+        with:
+          preview: true
+
       - name: Deployment
-        uses: actions/deploy-pages@0243b6c10d06cb8e95ed8ee471231877621202c0 # v1.2.4
+        uses: actions/deploy-pages@af48cf94a42f2c634308b1c9dc0151830b6f190a # v2.0.1
+        if: github.ref == 'refs/heads/main'
         id: deployment