dynasty current roster

I have a question, i dunno if its already posted or what, but how can i add the latest roster update in my dynasty, do i really need to start a new dynasty whenever a new update releases? sorry if already asked, but i dunno what term to used to search for this problem...thank you so much!!

Yes, you need to start a new Dynasty. You can't load new rosters within a Dynasty already in progress. Copying the dbf files from the roster update to your Dynasty save will overwrite season data.