The midfielder has been linked with Bayern Munich this year.
"I'm content and I am not thinking about anything else," he told Tuttosport. "Obviously you never know what will happen in football, but I'm happy here.
"I have an excellent relationship with boss Antonio Conte. He's an exceptional person and an out of the ordinary Coach.
"The fans also recognise my generosity. They have understood what I want to do on the pitch and they know that when I put on the Juventus shirt I play with my heart."