keep up with

phrase

1

: to go or make progress at the same rate as (others) : to stay even with (others) in a race, competition, etc.

The other runners struggled to keep up with the leader.

He found it difficult to keep up with the rest of the class.

2

: to continue to know the newest information about (something)

I find it hard to keep up with the news.

3

informal : to continue to talk to or write to (someone)

She still keeps up with her old friends from college.