To change the package for your EZWeb Website go to CatholicWeb.com and login to your member account on the left. Once logged in click Website Accounts and then Edit Your Websites. Click the link on the right labeled Info to view your package's details. You will see a link at the bottom that says "Change Package" which will open a wizard to walk you through the process of upgrading your website.

Alternatively, from your website's Info page, you can choose the "Buy More" link corresponding to a specific feature (articles, file quota, etc..) that you wish to increase.