[21] On 19 August, Željezničar and Vedad Muftić negotiated a two-year contract extension lasting until July 2026.
The club also negotiated a one-year contract extension with Sulejman Krpić, lasting until July 2025.
[26] On 20 September, Željezničar and Abdulmalik Al-Jaber negotiated a one-year contract extension until July 2026.
[31] On 14 January, Željezničar negotiated one-year contract extensions with Sulejman Krpić, Huso Karjašević and Mustafa Šukilović until July 2026.
[32] On 16 January, Željezničar announced the signings of 22-year-old Léo Simoni and 23-year-old Vini Peixoto.
[33] On 22 January, Željezničar negotiated a two-year contract extension with Samir Radovac until July 2027.
[34] On 25 January, Željezničar negotiated a two-year contract extension with Aleksandar Boljević until July 2027.