diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ac33512..0736dad 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,6 +1,7 @@
 name: Build
 
 on:
+  pull_request:
   push:
   schedule:
     - cron: 0 0 * * 0  # weekly