But the manager has admitted the decision is out of his hands.
“Of course, I do [want them to stay]," said Lampard.
“That goes slightly out of my remit when they are dealing with the club.
“The club know I love the players, I brought them into the team this season.
"They are doing particularly well but I leave those conversations to the club to discuss contracts but, of course, I want them to be here for a long time.
“That's the conversation for me and the club I suppose. I made it clear that they are playing very well and I want them to stay."