The Senegal international suffered the injury after a coming together with the Nantes forward in their Ligue 1 meeting on Saturday
The game at Stade Gaston Gerard ended 3-3, but the shot-stopper sustained the injury after a coming together with Nigerian forward Moses Simon on the half-hour mark.
Moses was substituted in the 43rd-minute, while Gomis stayed on till half-time, before Runar Alex Runarsson replaced him for the second-half.
“The MRI performed on Monday confirmed the initial diagnosis: it is indeed a rupture of the posterior cruciate ligament of the right knee,” a statement on Dijon’s website read.
“This injury should not require surgery. The Senegalese goalkeeper should be unavailable for a period of two to three months.
“The entire club wishes Alfred a good recovery and rapid rehabilitation.”
Durée estimée d’indisponibilité : entre 2 et 3 mois
+ d’infos ➡️ https://t.co/owceN4cAgJ
Bon rétablissement Alfred ! Force à toi ! pic.twitter.com/xM3EgjTnjW
— Dijon FCO (@DFCO_Officiel) February 10, 2020
Dijon have picked up 25 points from 24 games and are just one point above 18th-placed Nimes who have 24 points.
Stephane Jobard’s side play Bordeaux in their next league match on Saturday, February 15, as they seek to end a run of two games without a win in Ligue 1.