diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index f0041da..ba7094c 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -2,11 +2,8 @@ name: Deploy PR previews
 
 on:
   pull_request:
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - closed
+    branches:
+      - main
 
 concurrency: preview-${{ github.ref }}