The club has improved under newly appointed manager Thomas Tuchel, the Blues are expected to bring a new face before next season.
According to Sport, Chelsea is monitoring Pjanic’s situation in Barcelona as they consider signing a new midfielder.
The 31-year-old endured the first frustrating season at Camp Nou, with only 27 games in all competitions this season.
While Pjanic is said to be happy to be living in Catalan, the report suggests that a decision on his future will be made in June.
Inter Milan are also said to be monitoring the situation of the former Juventus star.