Zend certified PHP/Magento developer

How to install Magento Shared Packages?

I have a magento extension

  • Vendorname/module1-core

I have now uploaded a shared packaged which is approved

  • vendorname/module1-extension

moodule1 extension has a require section with

"vendorname/module1-core": ">=1.4.1"

When I do composer require vendorname/module1-core:1.4.1, I only see module1 I don’t see a shared package. I don’t know how to get it. Both are approved and live on marketplace.