He will now get 2.5 million euros a year plus bonuses, the Partenopei said.
The strapping 22-year-old’s contract has also been extended by a year, until 2028.
Osimhen has opted to stay for at least another year, moving into the apartment left vacant by South Korea centre back Kim Min-Jae, who has moved to Bayern Munich.
The Georgian and the Nigerian helped power the Azzurri to their third Serie A championship after the brace secured in the Maradona glory years in 1987 and 1990.
Fans have dubbed Kvaratskhelia ‘Kvaradona’, in reference to the Argentine legend.
ANSA
