Amazon has hired FedEx to handle some of its large package deliveries, the companies said on Monday, weeks after UPS said it was halting its less-profitable deliveries for the e-commerce retailer and cutting 20,

Amazon has secured a new partnership with FedEx to fill delivery gaps after falling out with UPS, Business Insider has learned.

Amazon says the Memphis, Tenn., company will join other third-party partners including United Parcel Service and the U.S. Postal Service that regularly work alongside Amazon’s last-mile delivery network to balance capacity.