Injection Failure of FLUXUS reason Outdated version of ROBLOX

i was open Roblox but it's upgrading, then im open fluxus, then im open the game in roblox, and i injected and i got error while injecting
it says...

Uh oh! looks like your using and Outdated Version of Roblox
that means we can't inject it on roblox.
error code: N/A

fluxus, please fix it... I AM NOT SO RORRY!!!