For security reasons, they used to post on this new update occasionally that their users have been given a new address and they should stop making deposit to the old one, this is part of their own ways of securing their platform from attacked, the next thing one should do after receiving this is to go to the wallet depositing address and confirm that such has indeed reflected in other not to be scammed from hackers sending you updates like this while its not coming from the binance exchange themself.