Atualizar várias linhas usando CASE WHEN - ORACLE

create table account(  account_id number primary key,
                           account_status varchar2(30));

insert into account values(1, '5');
insert into account values(2, '3');
insert into account values(3, '2');

select * from account


update account
set account_status= case
when account_id=1 then '2'
when account_id=2 then '5'
when account_id=3 then '3'
END

select * from account