Spanish forward Pedro has signed a one-year contract extension with Chelsea.
The 31-year-old, who signed from Barcelona in the summer of 2015, has so far played 131 games for the Blues, scoring 28 times.
He told the club's official website: "It is very good for me, I am really happy here in the club, with my team-mates, the supporters and the club in general.
"It's important for me to continue with Chelsea, I am comfortable here and want to win new titles and trophies. I want to help the team, score goals, and I repeat, I am really happy."
Chelsea director Marina Granovskaia added: "We are very happy to secure Pedro's services for another year.
"Since becoming a Chelsea player he has regularly demonstrated his quality on the field and we look forward to seeing him continue to flourish under the guidance of Maurizio Sarri."