diff --git a/.github/workflows/python-ci.yml b/.github/workflows/python-ci.yml
index 8746b15c..7c863d50 100644
--- a/.github/workflows/python-ci.yml
+++ b/.github/workflows/python-ci.yml
@@ -4,13 +4,12 @@ on:
   push:
     branches:
       - main
-      - develop
   pull_request:
     branches:
       - main
-      - develop
+  merge_group:    
   workflow_dispatch: {}
-  workflow_call: {}
+  workflow_call: {}  # to be invoked by pypipublish.yml
 
 permissions:
   contents: read