Lacazette fired home 31 goals in 38 games last season, and is being lined up for a Premier League move by Arsenal, Manchester United and Liverpool.
Paris Saint-Germain are also said to be interested, but Lyon have no intention of selling their £27million-rated star striker.
President Jean-Michel Aulas told Le Progres: "[Marseille defender] Nicolas Nkoulou wants to join us.
GETTY
Lyon are not looking to sell Alexandre Lacazette
Lacazette will also remain with us
Jean-Michel Aulas
"I've set a deadline of August 7. We could sign five players: a right-back, a centre-back and three midfielders. Two central and one attacking.
"These are all international players. Lacazette will also remain with us."
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