How to change the payment method for the subscriptions

1. Go to My Account > Subscriptions > Click "View"  of the subscription for which you want to update the payment method.
2. Click "Change Payment" *It may appear as "Resubscribe" if you cancelled previously
3. Enter a new payment method. You can also check on "Use this payment method for all of my current subscriptions." 
4. Click "Change payment method."