Hearts defender Bobby Burns has been added to the Northern Ireland squad to face Republic of Ireland and Austria.
Michael O'Neill's side travel to Dublin for a friendly on Thursday before taking on Austria in the Nations League at Windsor Park on Sunday - both games are live on Sky Sports.
Burns, 19, is currently on loan at Livingston and played in their 0-0 draw with Celtic on Sunday.
The teenager, who can also play in central midfield, has already won five caps for Northern Ireland U21s.