Dickinson dropped into League Two for the first time in his career to sign for Notts in the summer of 2016.
The defender, who has a plethora of experience in League One and the Championship, joined the club from Port Vale, where was was captain during his three years at Vale Park.
The combative 30-year-old began his career at Stoke City, helping the Potters to reach the Premier League before moving to Watford in 2011.
Home kit: On-Call Recruitment
Away kit: Available
Third kit: Available
Boots & socks: Available