diff --git a/.github/workflows/auto-merge.yml b/.github/workflows/auto-merge.yml
index 9020d07..755164b 100644
--- a/.github/workflows/auto-merge.yml
+++ b/.github/workflows/auto-merge.yml
@@ -5,6 +5,8 @@ on:
       - opened
       - reopened
       - edited
+    branches:
+      - main
 
 jobs:
   auto-merge: