diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c587940..4d9ec05 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,9 +2,8 @@ on:
   push:
     branches:
       - master
-  pull_request:
-    branches:
-      - master
+  pull_request_target:
+    types: [opened, reopened, synchronize]
 
 jobs:
   build: