Uncapped Munster centre James Downey has been called up to Ireland's two-day training squad.
The 31-year-old, who moved to Thomond Park from Northampton in the off-season, is one of six additions to the squad following the latest round of PRO12 action.
He replaces Gordon D'Arcy who is sidelined with a rib injury.
Fellow uncapped fly-half Ian Madigan, scrum-half Paul Marshall, prop Ronan Loughney, second-row Devin Toner and wing Craig Gilroy are also included in coach Declan Kidney's 33-man group.
Joining D'Arcy in missing the camp at Carton House will be Ronan O'Gara, Eoin Reddan, Declan Fitzpatrick, Mike McCarthy and Simon Zebo.
Revised Ireland Training Squad: Rory Best (Ulster), Tommy Bowe (Ulster), Darren Cave (Ulster), Tom Court (Ulster), Sean Cronin (Leinster), James Downey (Munster), Keith Earls (Munster), Stephen Ferris (Ulster), Ronan Loughney (Connacht), Cian Healy (Leinster), Jamie Heaslip (Leinster), Iain Henderson (Ulster), Chris Henry (Ulster), Denis Hurley (Munster), Luke Marshall (Ulster), Conor Murray (Munster), Devin Toner (Leinster), Fergus McFadden (Leinster), Kevin McLaughlin (Leinster), David O'Callaghan (Munster), Donncha O'Callaghan (Munster), Paul O'Connell (Munster), Brian O'Driscoll (Leinster), Ian Madigan (Leinster), Peter O'Mahony (Munster), Paul Marshall (Ulster), Mike Ross (Leinster), Donnacha Ryan (Munster), Jonathan Sexton (Leinster), Andrew Trimble (Ulster), Dan Tuohy (Ulster), Damien Varley (Munster), Craig Gilroy (Ulster).