GIPHY now requires you to verify your email address when making changes to the email address associated with your channel.
To verify your email address please follow the following steps:
1. Go to www.giphy.com/settings
2. You can verify using the email address you have on file or enter a new email address in the email section. Select the verification button.
3. GIPHY will send a confirmation email to the new address with a magic link to confirm the change
4. Go to your email and confirm.
If you need to resend the email, you can do so from your settings page. If you have any trouble, please reach out to support, using the email address associated with your channel.