You can easily update your credit card information from your member dashboard. You can go directly to www.nachi.org/billing, or select "Billing" from the menu on the left of your main dashboard. From your billing dashboard, select "Change Payment Method." You do not need to cancel your account before making changes. Select either monthly or yearly billing, then select "Pay by Credit Card" and input the requested information. Then, check the box next to "I understand that I will be automatically billed until I cancel my billing plan," and click "Update My Billing." Your card is now updated and will be used for your next scheduled payment.