diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 16a23fa..e86d0ad 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,11 +2,10 @@ on:
   push:
     branches:
       - master
-  pull_request:
-    branches:
-      - master
   pull_request_target:
     types: [opened, closed, reopened]
+    branches:
+      - master
 
 jobs:
   build: