Workers at a Whole Foods Market in Philadelphia voted to form a union, the first time employees of the Amazon-owned grocer have organized in decades. Monday’s vote, which passed 130-100, was prompted by workers’ push for higher wages and improved benefits.

The union win comes as Amazon, which owns the grocery chain, is also fighting labor organizing in its warehouse and delivery businesses.

Workers at a Whole Foods Market in Pennsylvania have voted to unionize, becoming the first group of employees to pull off a labor win at the Amazon-owned grocery store chain