Craig Bryson (ankle) is stepping up his recovery work and has rejoined the squad for light training this week.
St Johnstone defender Liam Gordon has been ruled out with concussion.
Isaiah Jones has joined the Saints squad following his loan move from Middlesbrough.
Aberdeen provisional squad: Lewis, Logan, Hernandez, Considine, McKenna, Taylor, Devlin, Gallagher, Hedges, Anderson, Ferguson, D Campbell, McGinn, Ojo, McLennan, McGeouch, Kennedy, Cosgrove, Main, Cerny.
St Johnstone provisional squad: Clark, Ralston, Duffy, Booth, Tanser, McCart, Kerr, Holt, Swanson, Craig, McCann, O'Halloran, Kane, May, Wotherspoon, Hendry, Butcher, Jones, Wright, Parish.