diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e2caf04f..6589d92b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,6 +2,7 @@ name: build
 
 on:
   push:
+  pull_request:
   schedule:
     - cron: '0 0 1 * *'