1. Log into your Verblio account using your email address and password.
2. In the dashboard, click "Billing".
3. Click the icon marked "Update payment method".
4. Enter your card details, such as "Card number", "Expiration", "CVC" and Country. Then, simply click the "Update payment method" button.
5. You're all set! You'll receive a confirmation message that says "Card updated successfully".