keep someone posted
US /kiːp ˈsʌm.wʌn ˈpoʊ.stɪd/
UK /kiːp ˈsʌm.wʌn ˈpoʊ.stɪd/

1.
mantener a alguien informado, poner al día a alguien
to regularly give someone the most recent information about something
:
•
Please keep me posted on your progress with the project.
Por favor, mantenme informado sobre tu progreso con el proyecto.
•
I'll keep you posted if anything changes.
Te mantendré informado si algo cambia.