Update Logic Pro to 10.6.3 on Catalina

Hi there,

I'm trying to update my Logic Pro from 10.6.1 to 10.6.3 mainly for bug fixes.

My macbook pro runs Catalina and we want to keep it on Catalina.

When I try to update Logic Pro in the app store i get the popup below.

However, when I click on download nothing happens.

Can anyone help me update to 10.6.3?

Apple support wasn't of much help on the telephone and chat. They just wanted me to update to Big Sur.