Update / change Request ID sequence

Update / change Request ID sequence

I ran query:
update workorder set WORKORDERID = 1650 where WORKORDERID = (select max(WORKORDERID) from workorder);

But getting this as a return:
ERROR:  update or delete on table "workorder" violates foreign key constraint "requestresolver_fk1" on table "requestresolver"
DETAIL:  Key (workorderid)=(5) is still referenced from table "requestresolver".

Was I supposed to add something in (select max(WORKORDERID) from workorder);

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