diff --git a/.gitignore b/.gitignore
index e5b4929..6f4aa97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 Example/Pods
-Example/Podfile.lock
\ No newline at end of file
+Example/Podfile.lock
+*.xcuserstate
diff --git a/BeappCache/Classes/RxCacheManager.swift b/BeappCache/Classes/RxCacheManager.swift
index 931956b..ddd7f26 100644
--- a/BeappCache/Classes/RxCacheManager.swift
+++ b/BeappCache/Classes/RxCacheManager.swift
@@ -36,7 +36,7 @@ open class RxCacheManager {
             
             return Disposables.create()
 		}
-        .subscribeOn(ConcurrentDispatchQueueScheduler(qos: .background))
+        .subscribe(on: ConcurrentDispatchQueueScheduler(qos: .background))
 	}
 	
     func buildAsyncObservableCaching<T>(asyncObservable: Single<T>, key: String, customExpirySecond: TimeInterval?) -> Single<CacheWrapper<T>> where T: Codable {
diff --git a/BeappCache/Classes/Strategy/AsyncOrCacheStrategy.swift b/BeappCache/Classes/Strategy/AsyncOrCacheStrategy.swift
index 5394010..fd5b447 100644
--- a/BeappCache/Classes/Strategy/AsyncOrCacheStrategy.swift
+++ b/BeappCache/Classes/Strategy/AsyncOrCacheStrategy.swift
@@ -13,7 +13,7 @@ class AsyncOrCacheStrategy: CacheStrategyProtocol {
 	func getStrategyObservable<T>(cacheObservable: Maybe<CacheWrapper<T>>, asyncObservable: Single<CacheWrapper<T>>) -> Observable<CacheWrapper<T>> where T: Codable {
 		return asyncObservable
 			.asObservable()
-			.catchError({ (error) in
+            .catch({ (error) in
 				print("[ERROR] \(error)")
 				return cacheObservable.asObservable().ifEmpty(switchTo: Observable.error(error))
 			})
diff --git a/Example/BeappCache.xcodeproj/project.xcworkspace/xcuserdata/cederache.xcuserdatad/UserInterfaceState.xcuserstate b/Example/BeappCache.xcodeproj/project.xcworkspace/xcuserdata/cederache.xcuserdatad/UserInterfaceState.xcuserstate
deleted file mode 100644
index b4df6d2..0000000
Binary files a/Example/BeappCache.xcodeproj/project.xcworkspace/xcuserdata/cederache.xcuserdatad/UserInterfaceState.xcuserstate and /dev/null differ
diff --git a/Example/BeappCache.xcworkspace/xcuserdata/cederache.xcuserdatad/UserInterfaceState.xcuserstate b/Example/BeappCache.xcworkspace/xcuserdata/cederache.xcuserdatad/UserInterfaceState.xcuserstate
deleted file mode 100644
index 05eed74..0000000
Binary files a/Example/BeappCache.xcworkspace/xcuserdata/cederache.xcuserdatad/UserInterfaceState.xcuserstate and /dev/null differ