diff --git a/.github/workflows/builder.yaml b/.github/workflows/builder.yaml
index 76cd33eb2..cb85e6a45 100644
--- a/.github/workflows/builder.yaml
+++ b/.github/workflows/builder.yaml
@@ -7,10 +7,7 @@ env:
 on:
   push:
     branches:
-      - main
-  pull_request:
-    branches:
-      - main
+      - master
 
 jobs:
   init: