diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b7766949..dcc30a8e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,7 +5,7 @@ on:
       - '**.dart'
       - 'pubspec.yaml'
   pull_request:
-    branches: [ pull_request, master ]
+    branches: [ master, ]
     paths:
       - '**.dart'
       - 'pubspec.yaml'