Dembele has been in and out of the Tottenham starting line-up recently.
Spurs have won four of their five Premier League games since losing to Manchester City.
Tottenham have been after a midfielder this month, reportedly scouting around Europe for Mousa Dembele's successor.
AC Milan continue to eye Tottenham's Mousa Dembele.
Tottenham Hotspur entertain Everton on Saturday knowing a win can put them level on points with fourth-placed Liverpool.
Will Mousa Dembele leave Tottenham Hotspur in the January transfer window?
Long-term Tottenham Hotspur target Ross Barkley is expected to join Chelsea from Everton in a cut-price deal.
The Tottenham Hotspur midfielder has been linked with a move away from the club.
Tottenham Hotspur have been linked with a move for the Inter Milan midfielder.
Tottenham Hotspur will welcome West Ham United to Wembley in the Premier League tomorrow.