Spain’s minority leftist government on Tuesday approved a plan to reduce the working week to 37.5 hours in one of the world’s fastest-growing developed economies. But the measure faces an uphill battle in parliament and the misgivings of business leaders who fear it will stifle growth.

The Spanish government reached an agreement to reduce the number of workweek hours to 37.5 from 40, as Prime Minister Pedro Sanchez seeks to capitalize on social policies while struggling with weak support in parliament.