Download license for a 2nd copy of a plugin purchased?

How do I download a license for a repeat plugin purchase?

I purchased Mailster plugin on June 6, 2019.

Then I purchased it again on August 25, 2020.

When I go to my downloads in my account, to get the license, it only shows 1 copy of Mailster and shows only the one (and its license) from 2019!

The invoice is showing the purchase from 2020, but nowhere in the download section can I access the license for the 2nd copy I purchased. Does anyone know how?