According to Bayern Official announcement, Gnabry has signed a contract extension with the club until 2028. 

Club Announcement:

Serge Gnabry has signed a new contract at Bayern until 30 June 2028. His previous deal was set to expire this summer. The 30-year-old forward has been with the Munich club since 2017, so far winning six Bundesliga title, the Champions League, the Club World Cup and more.

Serge Gnabry: “I’m excited to get to play for Bayern for more years. Talks were always positive. When I started at Bayern, I never would’ve thought that I’d be here for 10 years by the end of this contract. My goals are to keep things going. We’re a real unit and can achieve something big. The reasons to renew my contract are the team, the coaches, the whole club, the fans, the city and the environment. I feel very much at home at Bayern.”

Born in Stuttgart, Gnabry made his professional debut with Arsenal in England before a move to Werder Bremen and then joining Bayern, where he spent the first season on loan at Hoffenheim. The forward has made 311 competitive appearances for the Bavarians, scoring 100 goals and providing 69 assists. His impressive title collection in Munich includes six Bundesliga crowns, two DFB Cups, the Champions League, the Club World Cup, the UEFA Super Cup and five domestic Supercups. An U21 European champion with Germany in 2017, Gnabry has 57 senior caps (25 goals).