each time thatr i click on the domain is displaying an ol;d domain version which is something that i dont understand while i made an update to the website and it should display the new version, can you assist

each time thatr i click on the domain is displaying an old version  of the website which is something that i don’t understand while i made an update to the website and it should display the new version, can you assist. i would like to dispaly the new version of the website on the domain