keep someone posted

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