diff --git a/.github/workflows/pr-summary.yaml b/.github/workflows/pr-summary.yaml
index 3f268bdb..c6898b36 100644
--- a/.github/workflows/pr-summary.yaml
+++ b/.github/workflows/pr-summary.yaml
@@ -2,7 +2,7 @@ name: CI PR Summary Pipeline
 on:
   pull_request:
     branches:
-      - master
+      - main
   workflow_dispatch:
 
 jobs: 
@@ -21,7 +21,7 @@ jobs:
 
       - name: Create a diff file
         run: |
-          git diff origin/master...remotes/origin/${{ github.head_ref }} > ${{ env.working_directory }}diff.txt && cat ${{ env.working_directory }}diff.txt
+          git diff origin/main...remotes/origin/${{ github.head_ref }} > ${{ env.working_directory }}diff.txt && cat ${{ env.working_directory }}diff.txt
 
       - name: Generate a response
         run: |