Game page background not changing

So for my game,

I wanted to change the background to this:
Screenshot 2024-01-17 8.30.09 PM
But when I did it just kept the same background which was this:

(Not Full Image)

Keep in mind this isn’t in the actual game this is for the background.
Why is this happening?

It changed. It just takes a bit to update. Check the game now.


Actually it never really changed like paisleypug said on my side but I just had to clear my cache.