The 31-year-old defender joined the club from Leicester City in 2019 and his deal was set to expire this coming summer, but it will now run until June 2026.
Maguire has made 222 appearances, scored 12 goals and lifted two major trophies as a Red so far: the 2023 Carabao Cup and 2024 Emirates FA Cup. And the centre-back harbours ambitions of achieving more success in the future.