The contract was confirmed by the club, and it will keep de Jong at Barcelona for another four years.
During his time with the team, de Jong has helped Barcelona win several titles, including the La Liga title and the Copa del Rey twice, as well as the Spanish Super Cup.
At 28 years old, de Jong's new contract will take him to a decade with the club, a significant achievement.
According to reports, de Jong's new contract includes a €500 million release clause, which is one of the highest in the club, along with several other players who have similar high-value clauses.
