Alex Neil’s side beat Wycombe Wanderers 2-0 in the League One play-off final at Wembley to end a four-year stay in the third tier.
The Black Cats will receive extra time to make decisions about players who will be out of contract this summer, with the likes of Lynden Gooch, Bailey Wright and Aiden McGeady all nearing the end of their current deals.
Sunderland also have several players who are on loan at the club, including Nathan Broadhead, Jack Clarke and Callum Doyle.
We took a look at the contract lengths of those senior players who will remain at Stadium of Light next season as things stand:
Sunderland also have several players who are on loan at the club, including Nathan Broadhead, Jack Clarke and Callum Doyle.
5. Ross Stewart - Summer of 2023
What a season it's been for the Scottish frontman, who scored 26 goals for the Black Cats during the 2021/22 campaign. Stewart has a year left on his Sunderland contract, while the club hold an additional one-year option to extend the deal until the summer of 2024. Photo: JPI Media
6. Anthony Patterson - Summer of 2023
After starting the year on loan at National League side Notts County, the 22-year-old goalkeeper became Sunderland's first-choice stopper under Alex Neil. Patterson signed a new two-year deal with the option of a further year last summer. Photo: JPI Media
7. Dennis Cirkin - Summer of 2024
Still only 20, the defender made 41 appearances for Sunderland in all competitions this season following his arrival from Tottenham. Photo: JPI Media
8. Ellis Taylor - Summer of 2024
The 19-year-old has predominantly played for the under-23 side this season but has also made a handful of appearances for the first team. Taylor signed his first professional contract with Sunderland last summer, when he penned a three-year deal at the club. Photo: JPI Media