Byrne and Williams included in Stephen Kenny's squad
Shamrock Rovers midfielder Jack Byrne and Blackburn Rovers defender Derrick Williams feature for the first time in an Ireland squad under Stephen.
The squad will assemble in Dublin on Sunday and train at the FAI’s National Training Centre in Abbotstown before flying to Slovakia on Tuesday.
Goalkeepers
Darren Randolph (West Ham United), Caoimhin Kelleher (Liverpool), Mark Travers (Bournemouth).
Defenders
Seamus Coleman (Everton), Matt Doherty (Tottenham Hotspur), Enda Stevens (Sheffield United), Darragh Lenihan (Blackburn Rovers), Shane Duffy (Celtic, on loan from Brighton & Hove Albion), John Egan (Sheffield United), Derrick Williams (Blackburn Rovers).
Midfielders
Conor Hourihane (Aston Villa), James McCarthy (Crystal Palace), Harry Arter (Nottingham Forest), Jeff Hendrick (Newcastle United), Alan Browne (Preston North End, Jayson Molumby (Brighton & Hove Albion), Jack Byrne (Shamrock Rovers), Robbie Brady (Burnley).
Forwards
Callum Robinson (West Bromwich Albion), Callum O’Dowda (Bristol City), James McClean (Stoke City), Aaron Connolly (Brighton & Hove Albion), David McGoldrick (Sheffield United), Adam Idah (Norwich City), Shane Long (Southampton).