However, Red Bull have seen an upturn in form in recent races, with Verstappen winning at Monza and Baku in dominant fashion. McLaren fear that Red Bull have caught them in development, and things could be about to get tougher for the Woking outfit. Photo by Jayce Illman/Getty ImagesPierre Wache says Red Bull will upgrade Max Verstappen’s RB21 if he can win the title – Oscar Piastri should be worriedNew Red Bull team principal Laurent Mekies has made significant changes since replacing Christian Horner. According to Auto Motor und Sport, the Red Bull chief says that the team will upgrade the RB21 further if it is necessary for Verstappen to win the championship. McLaren boss Andrea Stella already fears that Red Bull have levelled them in development; further upgrades could see Verstappen suddenly having the fastest car.