can't join the server

[yukichan274]

hi im new to this community and i would like to play on the hermitpack server but i can't join

everytime i try to join this comes up

 

[Phyl_Swyft]

Server hasn't been updated yet.

 

[yukichan274]

do i have to put the mc launcher on a older verison to play on the server and if so which verison?