Starbucks Corp. will require its corporate employees to work four days in the office a week, up from three, starting Sept. 29.

Starbucks has told its corporate staff they must work in the office for four days a week or take a payment and quit. Workers will be expected to be in the office between Monday and Thursday starting in October,

CEO Brian Niccol is cracking down on work from home, ordering Starbucks employees to return to the office four days a week or take a buyout.