buy gmod 13 or just update for gmod itself(steam)

[wiiguy]

so some years ago i bought gmod on steam, but will teh new gmod just be a update or do we have to buy it again ?

[Willox]

[QUOTE=wiiguy;37180734]so some years ago i bought gmod on steam, but will teh new gmod just be a update or do we have to buy it again ?[/QUOTE]

Just an update