Real Sociedad coach Imanol Alguacil is confident of Martin Zubimendi's commitment.
The midfielder was impressive for victory over Barcelona yesterday.
La Real are now closer to clinching Champions League qualification and Imanol said: "I can assure you that Zubimendi will play for Real next season.
"This because I know what he thinks, he wants to be with us and I'm sure he wants to play in the Champions League here."