The 33-year-old, who is closing in on a double century of appearances in amber and black, has signed a new one-year deal with the Pilgrims.
Mills has made 191 appearances across two spells with the Pilgrims - and helped the club earn promotion to the National League in 2024 and secure survival in 2025.
He is the latest player to commit to the Pilgrims’ new full-time model.
Mills is the club’s reigning Player of the Year, and has netted 16 goals to date.