From Longman Dictionary of Contemporary Englishkeep in with somebody phrasal verb British EnglishFRIENDLYto try to stay friendly with someone, especially because this helps you It’s a good idea to keep in with the boss. → keep→ See Verb table
Examples from the Corpus
keep in with • Why not keep in with the people who really run racing, the villains?• Earn your freedom by behaving well and keeping in with your owner. 