"His goals and his presence in the Spanish Under-21 squad have demonstrated he can play at a high level."
Xisco is likely to be available for another loan deal next season, but Jimenez is not ruling out a permanent transfer for his brother.
"If the money conditions are good it is possible to speak about a transfer," Jimenez added.
"The decision is down to Deportivo because Xisco has an amateur deal signed with the Galician club.
"I know that Depor want to do a professional deal and a meeting is necessary."