diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index a293469bb5d..409f3ed5adb 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -6,6 +6,9 @@ on:
   push:
     branches:
       - master
+  pull_request:
+    branches:
+      - master
   workflow_dispatch:
 
 permissions:
@@ -41,7 +44,7 @@ jobs:
           path: ./pages_output
 
   deploy:
-    if: ${{ github.repository == 'gnolang/gno' }} # Alternatively, validate based on provided tokens and permissions.
+    if: ${{ github.repository == 'gnolang/gno' && github.ref == 'refs/heads/master' && github.event_name == 'push' }}
     runs-on: ubuntu-latest
     environment:
       name: github-pages