Is there a way to change my Yahoo! email address without having to start a new account?

I have this old account but I don't want to use "merciless_megan" anymore cause I was like 15 when I started this and I'm now 20 so that seems really stupid as an email address now, lol. So just wondering if there's a way to change the email? If not I'll just delete this account and make a new one.