The first rebooted series, simply titled 90210, debuted on The CW in 2008 and ran for five seasons until 2013, featuring original cast members Jennie Garth, Shannen Doherty, Ann Gillespie, Tori Spelling and Joe E. Tata in guest appearances.
Mike Chessler and Chris Alberghini, who worked on The CW series, are on board to write and executive produce.
The six-part revival of Beverly Hills, 90210 is set to debut on August 7 on Fox.
Luke Perry, who passed away on March 4, had not previously committed due to his work on Riverdale.