To 73 as of 1/1/23 for those born on or before 12/31/59 and then to 75 as of 1/1/33 for those born on or after 1/1/60. This was one of the main provisions of the SECURE Act 2.0, which was passed as a part of the Omnibus Spending Bill.
There could, of course, always be more changes before 2033.
AJ