How to upgrade Ghost of Tsushima from PS4 to PS5

Ghost of Tsushima Director's Cut Sony Palestine

Ghost of Tsushima Director's Cut coming to PS4 and PS5 - Gearburn

Thinking about upgrading from standard ps4 version to Directors Cut. Will I be able to play this on ps5? : r/ghostoftsushima

Ghost of Tsushima: Director's Cut Rated for PS5, PS4

Ghost of Tsushima Director's Cut announced for PS4, PS5 - EGM

Ghost of Tsushima Director's Cut (PS4) : Video Games

Ghost of Tsushima's PS5 upgrade is worthwhile but not a game changer

Ghost of Tsushima Director's Cut and Iki Island Expansion Announced for PS5 and PS4, Upgrade Prices Revealed - IGN

Bought the Ghost of Tsushima Director's cut today at GameStop. It's a PS5 box but there was PS4 disk inside. I paid CAD 89.99 for this and the game is asking me