President Rupiah Banda has appointed Kalombo Mwansa as defence minister.
Mr Banda has moved Lusaka Province minister Lameck Mangani to the ministry of Home Affairs.
Dr. Mwansa was up till now Home Affairs minister.
A state house spokesperson has announced that the replacement for Lameck Mangani will be announced later.
Dr. Mwansa replaces George Mpombo who resigned this week citing personal reason.