Jak McCourt has been secured on an 18-month contract after impressing since rejoining the Spireites on a short-term deal.
The midfielder, who was a free agent following the demise of Macclesfield Town, returned to the club at the start of the month and is delighted to have committed his future to the Spireites.
He said: “I’m really pleased. I spoke to the manager and we’re both really delighted to get it done.
“I’ve got to say a big thank you to the manager for showing faith in me and now we need to get this club to where it needs to go.
“The fans should be excited because the team we’ve got here is good enough to get promotion. We’re only looking up now.”