diff --git a/.github/workflows/update_api_spec.yml b/.github/workflows/update_api_spec.yml
index e6071e7e..7f2913f5 100644
--- a/.github/workflows/update_api_spec.yml
+++ b/.github/workflows/update_api_spec.yml
@@ -5,6 +5,8 @@ name: Update API Spec
 on:
   workflow_dispatch:
   push:
+    branches-ignore:
+      - main
     paths:
       - 'api/*'