Mark Jones has been called into
The 20-year-old Wrexham midfielder was a left out of the original squad, despite several impressive displays for his club this season.
He now joins club-mate Craig Morgan in the squad for former Wrexham manager Brian Flynn's first game in charge of the side.
Wales Under-21 squad to play Germany in Uefa Championship Group Six qualifier at Wrexham on 8 February:
Price (Ipswich), Worgan (Rushden), Beevers (Boston), Collins (capt, Cardiff), Duffy (Portsmouth), Gilbert (Plymouth), Morgan (Wrexham), Nyatanga (Derby), Fowler (Huddersfield), Ledley (Cardiff), Pipe (Notts County), Pulis (Portsmouth), Vaughan (Crewe), Jones (Wrexham), Birchall (Arsenal), Calliste (Man Utd), Crofts (Gillingham), Davies (Oxford), Tolley (Shrewsbury).