The former Northern Ireland international's current deal runs out in May.
"Ideally, it would be great (to stay here), but there are no guarantees that that is going to happen, it all depends on how the talks go and what's on offer and we will take it from there," Lennon said on Wednesday.
"I have been up here for four years now and I am quite settled. I'm just looking for a bit of security really going into my last year or two of my career.
"I will be 34 in June and if I get another year then I will be 35 and maybe think about hanging them (my boots) up after that, but I'm not sure."