Tanzania now has a woman defence minister for the primary time.
Stergomena Tax replaces Elias Kwandikwa, who died in August.
The president additionally revoked the appointment of three cabinet ministers and appointed a brand new attorney general.
These sacked are the Communication Minister Faustine Ndugulile, Leonard Chamuriho (transport) and Medard Kalemani (power).
President Suluhu introduced again January Makamba whose appointment had been revoked by former President John Magufuli.
Mr Makamba will now head the power ministry.
The president appointed Choose Eliezer Feleshi as the brand new attorney general to exchange Adelardus Kilangi who has been appointed an envoy.