Update your payment details via our Billing Portal
Click on your Profile icon located at the top left corner of your screen
Select "Settings"
Select "Billing"
Next to "Payments & Invoices" you will see a button to "Open" our Billing Portal
You will be asked to confirm that you want to open the Billing Portal
Update your details under "Add Payment Method" and follow the prompts
Make sure that your new payment method is set to your "Default"