Tickets on sale for Wednesday's Papa John's Trophy game at The Valley.
Gills are next in action on Wednesday evening against Charlton Athletic in the opening group stage fixture of the Papa John's Trophy.
Neil Harris' will take his men to The Valley for a 7pm kick-off, with Swindon the visitors to MEMS Priestfield Stadium in the league this coming Saturday.
Gillingham have been placed in Group A of the southern section of this year's EFL Trophy with Colchester United, Brighton U21's and Charlton completing the line-up.
Match tickets can be purchased via the below link, however they can also be purchased on the day.
Prices are as follows:
Adults - £15
Over 65 - £10
U21 - £10
U11 - £5
Away fans will be situated in the Jimmy Seed Stand.
The game will also be available to stream via iFollow for a one-off fee of £10.