A U.S. appeals court on Friday agreed to delay a sweeping overhaul of Google's app store Play, as the technology giant continues to challenge a judge's order requiring the reforms in a lawsuit brought by “Fortnite” video game maker Epic Games.

Appeals court upheld the ruling from the original Epic v. Google lawsuit. Now Google must allow third-party stores on its app store.

Alphabet Inc.’s Google lost its appeal of a judge’s order requiring an overhaul of the technology giant’s app store policies in an antitrust case filed by Fortnite-maker Epic Games Inc.The ruling by the 9th US Circuit Court of Appeals on Thursday means the Google Play store will need to lift restrictions that prevent app developers from setting up rival marketplaces and billing systems.