touch base (with someone)
To contact someone to update them or receive an update from them. I was just calling to touch base since it's been a few weeks since we last spoke. Will you please touch base with the marketing team and find out how they're progressing?
touch base with
Make contact or renew communications with, as in I'll try to touch base with you when I'm in Ohio, or The candidate touched base with every ethnic group in the city. This idiom comes from baseball, where a runner must touch each base without being tagged before a run can be scored.