Like this?
(My avatar on the left should eventually update?)
It has already updated for me. Your problem was with your browser cache.
What I do, after an avatar update, is click on the avatar to the the full image. Then I used "shift reload" in my browser to force an update. Thereafter, I see the updated avatar. However, I didn't have to do that for your avatar.
Fundamentalism - the anti-American, anti-Christian branch of American Christianity