The 34-year-old rejoined the New Lawn side in July 2016 and was ever-present as they won promotion to League Two last season.
He made 144 appearances in his first spell with the club before spending the 2015-16 season with Gateshead.
Mark Cooper has signed defenders Lee Collins and Callum Evans and midfielder Reece Brown as they prepare for their first season in the Football League.
Forest Green Rovers goalkeeper Sam Russell has signed a new one-year deal.