diff --git a/.github/workflows/build-1.20.yml b/.github/workflows/build-1.20.yml
index ccaaa06..8456c8a 100644
--- a/.github/workflows/build-1.20.yml
+++ b/.github/workflows/build-1.20.yml
@@ -1,6 +1,7 @@
 name: Build-1.20
 
 on:
+  pull_request:
   push:
     branches: [ "1.20.1" ]