diff --git a/SwiftMonkeyExample/App/AppDelegate.swift b/SwiftMonkeyExample/App/AppDelegate.swift
index b11f6b5..c9ed654 100644
--- a/SwiftMonkeyExample/App/AppDelegate.swift
+++ b/SwiftMonkeyExample/App/AppDelegate.swift
@@ -15,7 +15,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     var window: UIWindow?
     var paws: MonkeyPaws?
 
-    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         paws = MonkeyPaws(view: window!)
         return true
     }
diff --git a/SwiftMonkeyExample/SwiftMonkeyExample.xcodeproj/project.pbxproj b/SwiftMonkeyExample/SwiftMonkeyExample.xcodeproj/project.pbxproj
index b07ca4b..73972c4 100644
--- a/SwiftMonkeyExample/SwiftMonkeyExample.xcodeproj/project.pbxproj
+++ b/SwiftMonkeyExample/SwiftMonkeyExample.xcodeproj/project.pbxproj
@@ -242,12 +242,13 @@
 					C929B5301DD0A764004B256F = {
 						CreatedOnToolsVersion = 8.1;
 						DevelopmentTeam = 9LW237982J;
-						LastSwiftMigration = 0900;
+						LastSwiftMigration = 1000;
 						ProvisioningStyle = Automatic;
 					};
 					C929B5461DD0A764004B256F = {
 						CreatedOnToolsVersion = 8.1;
 						DevelopmentTeam = 9LW237982J;
+						LastSwiftMigration = 1000;
 						ProvisioningStyle = Automatic;
 						TestTargetID = C929B5301DD0A764004B256F;
 					};
@@ -502,8 +503,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = org.zalando.SwiftMonkeyExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
-				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -520,8 +520,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = org.zalando.SwiftMonkeyExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
-				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
@@ -534,7 +533,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = org.zalando.SwiftMonkeyExampleUITests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TEST_TARGET_NAME = SwiftMonkeyExample;
 			};
 			name = Debug;
@@ -548,7 +547,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = org.zalando.SwiftMonkeyExampleUITests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TEST_TARGET_NAME = SwiftMonkeyExample;
 			};
 			name = Release;