diff --git a/.github/workflows/build-alpha.yml b/.github/workflows/build-alpha.yml
index e659f702b2c..05a5529bb08 100644
--- a/.github/workflows/build-alpha.yml
+++ b/.github/workflows/build-alpha.yml
@@ -2,6 +2,8 @@ name: '[CI] Build Alpha'
 
 on:
     push:
+        branches:
+        -   main
         tags:
         -   '**' # Currently any tag, need to slim down
         paths: