diff --git a/.github/workflows/deployment.yml b/.github/workflows/deployment.yml
index 1c04d32..c3fe93b 100644
--- a/.github/workflows/deployment.yml
+++ b/.github/workflows/deployment.yml
@@ -1,6 +1,9 @@
 name: Deploy to GitHub Pages
 
 on:
+  pull_request:
+    branches:
+      - main
   push:
     branches:
       - main # Change this to your main branch if different
@@ -19,7 +22,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: "3.8" # Specify your Python version
+          python-version: "3.9" # Specify your Python version
 
       - name: Install dependencies
         run: |