diff --git a/.github/workflows/merge-build.yml b/.github/workflows/merge-build.yml
index 21f1852..5827c90 100644
--- a/.github/workflows/merge-build.yml
+++ b/.github/workflows/merge-build.yml
@@ -19,7 +19,11 @@
 
 name: Merge / Push Build
 
-on: [push]
+on:
+  push:
+    branches:
+      - 'main'
+      - '1.x'
 
 jobs:
   publish-snapshot: