diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 03f97b4..f0e69bc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ name: Ruby
 on:
   push:
     branches: [ master ]
-  pull_request_target:
+  pull_request:
     branches: [ master ]
 
 jobs: