Bayern Munich remain keen on Palhinha after a deadline day move last year fell through.
"He has been an important key player for us. He was a player I really tried to convince to come to this club," said Silva.
Advertisement
Advertisement
"Last season he had a big role in the team. This season, even after the situation in August and with all the talk around, he was able to turn it around.
"Of course, he is an important player for us. He will play in the last game (against Luton). Then we have to hope that he has a good (Euros) tournament. Next season he will be here."