diff --git a/example/ios/Runner.xcodeproj/project.pbxproj b/example/ios/Runner.xcodeproj/project.pbxproj
index 3aeece4..21d48ac 100644
--- a/example/ios/Runner.xcodeproj/project.pbxproj
+++ b/example/ios/Runner.xcodeproj/project.pbxproj
@@ -177,7 +177,7 @@
 					97C146ED1CF9000F007C117D = {
 						CreatedOnToolsVersion = 7.3.1;
 						DevelopmentTeam = D9PN69G5DB;
-						LastSwiftMigration = 0910;
+						LastSwiftMigration = 1240;
 					};
 				};
 			};
@@ -409,7 +409,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.gianlucaparadise.FlutterCastFrameworkExam;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";
 			};
 			name = Profile;
@@ -545,7 +545,7 @@
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_SWIFT3_OBJC_INFERENCE = On;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";
 			};
 			name = Debug;
@@ -575,7 +575,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_SWIFT3_OBJC_INFERENCE = On;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";
 			};
 			name = Release;
diff --git a/example/ios/Runner/AppDelegate.swift b/example/ios/Runner/AppDelegate.swift
index 10ed327..21d592c 100644
--- a/example/ios/Runner/AppDelegate.swift
+++ b/example/ios/Runner/AppDelegate.swift
@@ -9,7 +9,7 @@ import GoogleCast
     
     override func application(
         _ application: UIApplication,
-        didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?
+        didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
     ) -> Bool {
         // todo: find a way to init chromecast inside library
         let criteria = GCKDiscoveryCriteria(applicationID: kReceiverAppID)
diff --git a/ios/Classes/SwiftFlutterCastFrameworkPlugin.swift b/ios/Classes/SwiftFlutterCastFrameworkPlugin.swift
index 549614a..d5446e9 100644
--- a/ios/Classes/SwiftFlutterCastFrameworkPlugin.swift
+++ b/ios/Classes/SwiftFlutterCastFrameworkPlugin.swift
@@ -72,8 +72,8 @@ public class SwiftFlutterCastFrameworkPlugin: NSObject, FlutterPlugin, GCKSessio
         
         let notificationCenter = NotificationCenter.default
         let app = UIApplication.shared
-        notificationCenter.addObserver(self, selector: #selector(appDidBecomeActive), name: NSNotification.Name.UIApplicationDidBecomeActive, object: app)
-        notificationCenter.addObserver(self, selector: #selector(appWillResignActive), name: NSNotification.Name.UIApplicationWillResignActive, object: app)
+        notificationCenter.addObserver(self, selector: #selector(appDidBecomeActive), name: UIApplication.didBecomeActiveNotification, object: app)
+        notificationCenter.addObserver(self, selector: #selector(appWillResignActive), name: UIApplication.willResignActiveNotification, object: app)
         //notificationCenter.addObserver(self, selector: #selector(appDidEnterBackground), name: NSNotification.Name.UIApplicationDidEnterBackground, object: app)
         //notificationCenter.addObserver(self, selector: #selector(appWillEnterForeground), name: NSNotification.Name.UIApplicationWillEnterForeground, object: app)
         //notificationCenter.addObserver(self, selector: #selector(appWillTerminate), name: NSNotification.Name.UIApplicationWillTerminate, object: app)