Nomvula Mokonyane, who headed Communications department, replaces the late Edna Molwena as the minister of Environmental Affairs.
Mokonyane took over the Communications department from Muthambi in Ramaphosa's first cabinet reshuffle in early 2018.
Siyabonga Cwele has replaced Malusi Gigaba as the minister of home affairs, president Cyril Ramaphosa announced on Thursday.
Gigaba resigned mid-November following pressure after the release of the public protector's recommendation that he face disciplinary process for violating the constitution.
Nomvula Mokonyane moves as Cyril reshuffles cabinet
President Cyril Ramaphosa made minor changes in his cabinet shifting ministers around and promoting Stella Ndabeni-Abrahams.
Ramaphosa merged the two departments, Telecommunications and Postal Services and Communications which are now under the stewardship of Ndabeni-Abrahams.
Ndabeni-Abrahams is currently enrolled for a Master's degree in Telecommunications, Policy and Regulations with Wits.
She has been a member of parliament since 2009 where she served in several committees include defence and communications.
Ndabeni-Abrahams served as deputy minister of communications under Faith Muthambi before moving to deputise Cwele in Telecommunications.
Nomvula Mokonyane, who headed Communications department, replaces the late Edna Molwena as the minister of Environmental Affairs.
Mokonyane took over the Communications department from Muthambi in Ramaphosa's first cabinet reshuffle in early 2018.
Siyabonga Cwele has replaced Malusi Gigaba as the minister of home affairs, president Cyril Ramaphosa announced on Thursday.
Gigaba resigned mid-November following pressure after the release of the public protector's recommendation that he face disciplinary process for violating the constitution.