be
bring sth
We'll have to bring our equipment up to date.

keep sth

extremely, fairly, very, etc.
a fairly up-to-date image

bang (informal, esp. BrE)

be, seem
keep
It is difficult to keep up to date with all the developments.

bring sb
keep sb

completely, fully
Make sure the information is completely up to date.

on
Bring me up to date on their progress.

with
We can keep you fully up to date with your financial position.