diff --git a/Sources/Networking/DataTranserService/NetworkDataTransferService.swift b/Sources/Networking/DataTranserService/NetworkDataTransferService.swift
index 5320fd8..5fa0644 100644
--- a/Sources/Networking/DataTranserService/NetworkDataTransferService.swift
+++ b/Sources/Networking/DataTranserService/NetworkDataTransferService.swift
@@ -7,7 +7,7 @@
 
 import Foundation
 
-public protocol NetworkDataTransferService {
+public protocol NetworkDataTransferService: AnyObject {
     typealias CompletionHandler<T> = (Result<T, NetworkDataTransferError>) -> Void
     typealias CompletionHandlerCollection<T> = (Result<ResponseData<T>, NetworkDataTransferError>) -> Void
     @available(macOS 10.15, *)