To update your saved card details, you'll firstly need to delete your existing saved card details in your account:
- Log into your account, click on your name and 'Your Details' in the top right hand corner
- Under 'Saved cards' click on 'Edit your cards'
- Select 'Remove' alongside the cards that you want to delete
- Click 'Finished'.
When you next make a donation with your new card, tick the box to 'Remember my details so I can donate faster next time'. Your new card will be saved for next time.