The 22-year-old former Derry City player, who has been in fine form for the Black Cats since being given his chance by manager Martin O'Neill, has been drafted in along with Derby midfielder Paul Green.
Republic of Ireland squad
Goalkeepers: Shay Given (Aston Villa/ENG), Keiren Westwood (Sunderland/ENG), David Forde (Millwall/ENG)
Defenders: John O'Shea (Sunderland/ENG), Stephen Kelly (Fulham/ENG), Stephen Ward (Wolves/ENG), Shane Duffy (Everton/ENG), Sean St Ledger (Leicester/ENG), Darren O'Dea (Leeds/ENG), Kevin Foley (Wolves/ENG)
Midfielders: Glenn Whelan (Stoke/ENG), James McCarthy (Wigan/ENG), Seamus Coleman (Everton/ENG), Keith Andrews (West Brom/ENG), Keith Fahey (Birmingham/ENG), Darron Gibson (Everton/ENG), Damien Duff (Fulham/ENG), Aiden McGeady (Spartak Moscow/RUS), James McClean (Sunderland/ENG), Paul Green (Derby County/ENG), Stephen Hunt (Wolves/ENG)
Forwards: Robbie Keane (Aston Villa/ENG), Kevin Doyle (Wolves/ENG), Shane Long, Simon Cox (both West Brom/ENG), Jon Walters (Stoke/ENG)