Lyon scored three goals in the second half to win 3-1 at Auxerre in Ligue 1 on Sunday and claim fourth spot in the table, while Saint-Etienne moved nearer to the relegation play-off spot after drawing 3-3 against Brest.
A Georges Mikautadze penalty broke the deadlock for Lyon in Auxerre on 54 minutes, before Rayan Cherki added a second eight minutes later with a cute curling finish.
Lassine Sinayoko pulled one back for the hosts 13 minutes from time to jangle Lyon nerves, until captain Alexandre Lacazette restored the two-goal buffer in the 84th minute.
The win lifts Paulo Fonseca's side into fourth on 51 points, one ahead of Lille and Strasbourg in the race for Europe's premier club competition.