diff --git a/Armchair.xcodeproj/project.pbxproj b/Armchair.xcodeproj/project.pbxproj
index ebcaa1c..10dbee2 100644
--- a/Armchair.xcodeproj/project.pbxproj
+++ b/Armchair.xcodeproj/project.pbxproj
@@ -747,7 +747,7 @@
 				SKIP_INSTALL = YES;
 				SWIFT_OBJC_BRIDGING_HEADER = "";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -769,7 +769,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OBJC_BRIDGING_HEADER = "";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
diff --git a/Source/Armchair.swift b/Source/Armchair.swift
index e04aaa4..1ad57ea 100644
--- a/Source/Armchair.swift
+++ b/Source/Armchair.swift
@@ -1833,8 +1833,8 @@ open class Manager : ArmchairManager {
     
     fileprivate func setupNotifications() {
         #if os(iOS)
-        NotificationCenter.default.addObserver(self, selector: #selector(Manager.appWillResignActive(_:)), name: UIApplication.willResignActiveNotification,    object: nil)
-        NotificationCenter.default.addObserver(self, selector: #selector(Manager.applicationDidFinishLaunching(_:)),  name: UIApplication.didFinishLaunchingNotification,  object: nil)
+        NotificationCenter.default.addObserver(self, selector: #selector(Manager.appWillResignActive(_:)), name: UIApplication.willResignActiveNotification, object: nil)
+        NotificationCenter.default.addObserver(self, selector: #selector(Manager.applicationDidFinishLaunching(_:)),  name: UIApplication.didFinishLaunchingNotification, object: nil)
         NotificationCenter.default.addObserver(self, selector: #selector(Manager.applicationWillEnterForeground(_:)), name: UIApplication.willEnterForegroundNotification, object: nil)
         #elseif os(OSX)
             NotificationCenter.default.addObserver(self, selector: #selector(Manager.appWillResignActive(_:)), name: NSApplication.willResignActiveNotification, object: nil)