The club's fixture at Forest Green just before Christmas will now be played on Friday December 22.
The date of Gillingham's away league fixture against Forest Green Rovers before Christmas has been moved.
The fixture was initially set to be played at The New Lawn Stadium on Saturday December 23 (3pm), however the clubs have agreed to move it forward to Friday December 22 (7pm).
This will be the first time the clubs have met in a competitive fixture.
Ticket details will be announced nearer the time.