The boys were forced to cancel their gig over the weekend.
Chasing Abbey have announced their rescheduled concert date.
The Tullamore trio will now play their sold-out gig at Dublin's Olympia Theatre on Friday 28th June.
All tickets for Saturday's concert will be valid for the new date.
In a statement, the Chasing Abbey boys said:
"We want to thank you all so so much for your patience and understanding yesterday, and to MCD for helping us with a new date so quickly. it means the absolute world to us. Dublin, we'll see you on the 28th of June."
They were forced to cancel Saturday's show due to illness.