Changed username in profile - hasn't updated here yet

Ironring

hello,
I changed my username in my profile but it still uses my old username when I post here. How can I fix this?
thanks

Ironring

Should I tag @BumpAdmin ? Hoping this helps. Thanks 

Ironring

@bumpcaitlin-2, @BumpCaitlin, @BumpAdmin
can someone please help me? I've tried pming, I've tried emailing and still no response. My updated user name in my profile is not showing up here when I make posts. Instead my old username still appears. 
Thank you.