The Special will play an intimate show at the 100 Club in London on June 25.
The performance will act as a warm up for the band's appearance at the Glastonbury festival the following day.
Entry to the gig will be for competition winners only. Fans can enter for a chance to win tickets now via the band's official website.
As previously reported on Gigwise, The Specials will join a host of veteran acts, including Bruce Springsteen and Neil Young, at this year's festival.
For more information, check out the Gigwise Gig Guide.
You can keep up to date with all the latest news from Gigwise by following us on Twitter and liking us on Facebook.

Nicki Minaj backs Westwood following 1Xtra axe
Pete Doherty injected heroin on set of movie debut
Keira Knightley engaged to Klaxons James Righton
'Spinal Tap' star hospitalised after traffic accident
The Specials Announce New London Gig In October - Tickets
Mystery musicians revealed: unmasked and no make up
The sexiest women in music: the 30+ edition
The many faces of Jessie J: volume two