The matchup was confirmed to MMA Fighting by multiple people with knowledge of the booking after an initial report from Brazilian MMA outlet Combate. Verbal agreements are in place for the fight with contracts expected to be signed. UFC 267 is expected to take place Oct. 30 on Fight Island in Abu Dhabi.
Ribas, the No. 13 fighter in the MMA Fighting Global Rankings, hopes to rebound after suffering the first loss of her UFC career. After four straight wins, she ran into an obstacle with a second-round TKO loss to Marina Rodriguez. Previously, Mackenzie Dern and Paige VanZant were among her victories inside the octagon.
Jandiroba is the No. 15 fighter and is coming off a win over Kanako Murata in June. Her armbar visibly injured Murata and put her back in the win column after a loss to Dern on points in her previous appearance.