The Under-21 team – managed by Geraint Williams – started their qualifying campaign with a 3-1 win over Bulgaria in March.
Josh Sheehan, Ryan Hedges and Owain Jones will all join up with the squad ahead of the game as Wales look to continue their good form and will want to mirror the current success of the senior squad
The full squad is
Billy O’Brien (Manchester City), Michael Crowe (Ipswich Town), Declan John (Cardiff City), Gethin Jones (Everton), Jordan Evans (Fulham), Joseph Wright (Huddersfield Town, on loan with Accrington Stanley), Dominic Smith (Shrewsbury Town), Josh Yorwerth (Ipswich Town), Josh Sheehan (Swansea City), Lee Evans (Wolverhampton Wanderers, on loan with Bradford City), Ryan Hedges (Swansea City), Tom O Sullivan (Cardiff City), Wes Burns (Bristol City), Ellis Harrison (Bristol Rovers), Harry Wilson (Liverpool), Jake Charles (Huddersfield Town), Owain Jones (Swansea City), Louis Thompson (Norwich City).
Wales also face a trip to Denmark in October before a double header against Armenia and Romania in November.