As the Workspace Owner, Admin or Billing Moderator, in your Lumin account, head over to your Workspace's Settings page.
Then, select Billing.
Click Upgrade plan.
Select the same plan your Workspace is on.
In this example, this Workspace is on an annual billing cycle of the Business plan.
By upgrading, this Workspace will have a limit of 400 documents per month.
Finally, click Complete purchase.


