FOX hasn't confirmed it yet, but multiple sources are reporting that Lie To Me has been renewed. Michael Ausiello reports that Shawn Ryan, creator of The Shield will be the showrunner for Lie to Me next season. James Hibberd has the story too, and it includes some hope for Dollhouse fans:
Sources say Dollhouse fans shouldn't lose hope; that despite the show's recent ratings, the show is still alive. Whedon pitched the network on his vision for season two late last week. Discussions have commenced between Fox and the studio about how to make the show work financially.
I do believe people at FOX are talking about it, but people talk. A lot. Despite the talk, I'm not hopeful for Dollhouse at all, but as they say, often wrong, never in doubt.