Lens moved out of the Ligue 1 relegation zone and dropped Caen into the bottom three as they claimed a crucial 2-0 victory at Stade Felix-Bollaert.
Laszlo Boloni has only been in charge at Lens for three weeks but he already appears to be winning his battle to keep Les Sang et Or in the top flight.
Goals from Adil Hermach and Toifilou Maoulida were the difference this evening.