Depay has been linked with a move to La Liga for most of the off-season due to Ronald Koeman, who managed him at Netherlands, taking over in Catalunya.
Barca have been trying to raise money for most of the summer to do deals and have offloaded Ruben Semedo to Wolves, while getting the salaries of Ivan Rakitic and Luis Suarez off the books.
Lyon are looking for £23m for the former Manchester United winger, who is out of contract next summer, and so far they have been unable to reach an agreement.
But speaking after his side's 1-1 draw with Marseille on Sunday night, Juninho confirmed that a deal could still happen.
Barcelona drew 1-1 with Sevilla on Sunday night with Antoine Griezmann once again withdrawn early, while Manchester United are still trying to complete a loan deal with Ousmane Dembele, which could prove pivotal to the Depay deal being completed.