Hamilton Accies remain level on points with Championship leaders Dundee after beating third-placed Falkirk 3-1 at New Douglas Park.
Jason Scotland's early effort was cancelled out by Mark Beck but goals from Darian MacKinnon and Tony Andreu won it for Alex Neil's men.
Dundee stay top thanks to a 2-0 win at Livingston with goals from Peter MacDonald and Kyle Benedictus.
Queen of the South kept their play-off bid on track with a 1-0 victory against Alloa at Recreation Park, where Andy Dowie scored the only goal.
Dumbarton are just outside the top four after a 5-1 home win over Cowdenbeath. Mitch Megginson, Michael Miller, Jordan Kirkpatrick, Garry Fleming and Chris Kane scored for the Sons, with John Armstrong netting a consolation.
Raith Rovers came from behind to beat Morton 2-1 at Stark's Park. Rowan Vine opened the scoring but a Greig Spence double, one from the penalty spot, turned it round.