Lens tightened their grip on second place with a 1-0 victory over Marseille.
The sides could not be separated in a tight first half but Aruna Dindane secured the points for Lens with a penalty after 51 minutes.
Lens remain 13 points adrift of leaders Lyon but are six clear of third-placed Lille. Marseille remain eighth.
Struggling Nantes shocked high-flying Sochaux 2-1 at Stade Bonal to boost their survival hopes.
Dimitri Payet (pictured) broke the deadlock for Nantes after 23 minutes, before Alvaro Santos equalised in the 34th minute.
But Nantes were not to be denied and Claudiu Keseru struck after 51 minutes to lift them off the bottom of Ligue 1 and to within two points of safety.