Sall dismissed the government and reappointed Prime Minister Amadour Ba on Friday, without explaining the reasoning behind the decision.
Among other changes, former Interior Minister Antoine Diome, who was criticised by the opposition for the government's crackdown on widespread protests earlier this year, was appointed oil and energy minister. Senegal will next year begin producing oil and gas from large offshore fields which are expected to transform the West African country's economy over the coming decades.
Mamadou Moustapha Ba will run the finance and budget ministry. Doudou Ka will run the economy ministry.Veteran Russian rights activist Oleg Orlov was convicted and fined on Wednesday for "discrediting" the armed forces after telling a Moscow court that Russia had descended into a totalitarian state resembling George Orwell's "1984".