Officers were called to the Time Wine & Spirit store at 442 S. Market Street around 7:50 p.m. for a report of a robbery.
Police say a man brandishing a gun entered the store and demanded money.
The man was given an undisclosed amount of cash and police say he fled the scene.
The suspect is described as 5 feet 10 inches tall, weighing 180 pounds with an average build. He was last seen wearing all dark colored clothing.
Anyone with information can call the Wilmington Police Confidential Tip Line at (302) 576-3990.
Tips can also be submitted to Delaware CrimeStoppers at 1 (800) TIP-3333 or online at www.tipsubmit.com.
This material may not be published, broadcast, rewritten, or redistributed.