Two defenders have been ruled out of the squad through injury.
Callum Robinson is back in the Republic of Ireland senior squad for the World Cup qualifiers against Azerbaijan and Serbia.
The West Brom striker has recovered from Covid-19.
Alan Browne has also joined up with the squad, while Celtic's new signing Liam Scales gets his first call up.
Defenders Dara O'Shea and Nathan Collins have been ruled out of both games with injuries.
The Ireland squad will train at the Aviva Stadium later today ahead of the Azerbaijan match tomorrow.
Republic of 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)