Wolves suffered a first-round FA Cup exit following a 2-1 defeat to Oldham in their replay at Molineux
FA Cup live updates
Glenn Walker scored the only goal of the game for Brackley Town as the Conference North side reached the second round of the FA Cup for the first time ever by upsetting Gillingham.
They rode their luck in Monday night's first round replay and were indebted to 20-year-old goalkeeper Alastair Worby on more than one occasion but the Saints held on and will now meet Macclesfield next month.
Northampton boss Aidy Boothroyd told ITV's Ned Boulting that he was impressed by his side's performance at Bishop's Stortford.