diff --git a/.github/workflows/Build.yml b/.github/workflows/Build.yml
index 1deb6d1..3d4d11e 100644
--- a/.github/workflows/Build.yml
+++ b/.github/workflows/Build.yml
@@ -4,7 +4,7 @@ on:
   push:
     branches: [ dev ]
   pull_request:
-    branches: [ dev ]
+    branches: [ master ]
 
 jobs:
   build: