1944, in reference to information, 1952 in reference to persons, from up (adv.) + date (v.1). Related: Updated; updating. The noun is attested from 1967.
We updated the kitchen in the old house
tonight, I will update my operating system
we updated the database with the most recent figures
I just heard the update on the unemployment figures
do you have the latest software update?
the server update ran overnight
the local news station broadcast a special weather update