Stephen Kenny has called up three players for the matches against Azerbaijan and Serbia.
WBA striker Callum Robinson, Preston North End midfielder Alan Browne and Celtic defender Liam Scales will all join the squad today as Ireland prepare to take on Azerbaijan tomorrow.
Dara O'Shea and Nathan Collins have been ruled out of the World Cup qualifiers against Azerbaijan and Serbia through injury.
The Ireland squad arrived in Dublin yesterday and will train at the Aviva Stadium later ahead of tomorrow’s Azerbaijan match.
Ireland Squad
Goalkeepers: Caoimhin Kelleher (Liverpool), Gavin Bazunu (Portsmouth, on loan from Manchester City), James Talbot (Bohemians)
Defenders: Seamus Coleman (Everton), Matt Doherty (Tottenham Hotspur), Shane Duffy (Brighton and Hove Albion), John Egan (Sheffield United), Ryan Manning (Swansea City), James McClean (Wigan Athletic), Andrew Omobamidele (Norwich City), Liam Scales (Celtic)
Midfielders: Josh Cullen (Anderlecht), Jeff Hendrick (Newcastle United), Conor Hourihane (Aston Villa), Harry Arter (Nottingham Forest), Jamie McGrath (St. Mirren), Jayson Molumby (Brighton and Hove Albion), Alan Browne (Preston North End)
Attackers: Aaron Connolly (Brighton and Hove Albion), James Collins (Cardiff City), Daryl Horgan (Wycombe Wanderers), Adam Idah (Norwich City), Troy Parrott (MK Dons, on loan from Tottenham Hotspur), Ronan Curtis (Portsmouth), Callum Robinson (West Bromwich Albion)