If you have purchased the Team Growth plan, you can update your credit card information at any time by following these steps:
1) Navigate to the Administration tab and select ‘Update Billing Information’ from the Billing section of the Settings sub-tab.
2) If you’d like to update your credit card information, simply select ‘Add payment method’ from your billing management portal. You can also delete any old payment methods and/or set a default payment method by selecting the “...” Actions button next to each payment method.