Card details can be updated from the cashier.
From here please go to the Deposit tab and select Manage Payments.
Any of the existing cards or payment methods can be deleted within here.
If you wish to close the window without making any changes you select the Cancel option.
To to delete a payment method, select the dustbin symbol. You will then be asked to confirm this before the card is removed as below.
Once removed you will get a confirmation message
Even if your new card number is the same as your old one you will need to add this as a new card.
You will be able to do this on the Deposit page
Select Add New if you have other payment methods or
Simply add your card details again and confirm
Remember you will need to deposit by this new card before you can withdraw to it.