Another candidate is joining the race to succeed Pierre Karl Péladeau as permanent leader of the Parti Québécois.
Paul St-Pierre Plamondon is the fifth contender for the sovereigntist party's top job.
The 39-year-old lawyer and political essayist has never held a seat in the provincial legislature.
He joins former cabinet ministers Alexandre Cloutier, Veronique Hivon, Martine Ouellet and Jean-François Lisée in the race.
The PQ will announce its new leader Oct. 7.