diff --git a/KeyboardLayoutGuideExample/KeyboardLayoutGuideExample.xcodeproj/project.pbxproj b/KeyboardLayoutGuideExample/KeyboardLayoutGuideExample.xcodeproj/project.pbxproj
index 084bdaf..c65b770 100644
--- a/KeyboardLayoutGuideExample/KeyboardLayoutGuideExample.xcodeproj/project.pbxproj
+++ b/KeyboardLayoutGuideExample/KeyboardLayoutGuideExample.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 52;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -328,7 +328,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = com.freshos.KeyboardLayoutGuideExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -347,7 +347,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = com.freshos.KeyboardLayoutGuideExample;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;
diff --git a/KeyboardLayoutGuideExample/KeyboardLayoutGuideExample/AppDelegate.swift b/KeyboardLayoutGuideExample/KeyboardLayoutGuideExample/AppDelegate.swift
index 3a47bdb..7f55f44 100644
--- a/KeyboardLayoutGuideExample/KeyboardLayoutGuideExample/AppDelegate.swift
+++ b/KeyboardLayoutGuideExample/KeyboardLayoutGuideExample/AppDelegate.swift
@@ -8,7 +8,7 @@
 
 import UIKit
 
-@UIApplicationMain
+@main
 class AppDelegate: UIResponder, UIApplicationDelegate {
 
     var window: UIWindow?
diff --git a/KeyboardLayoutGuideExample/KeyboardLayoutGuideExample/Extensions.swift b/KeyboardLayoutGuideExample/KeyboardLayoutGuideExample/Extensions.swift
index fb66a2c..124fc8f 100644
--- a/KeyboardLayoutGuideExample/KeyboardLayoutGuideExample/Extensions.swift
+++ b/KeyboardLayoutGuideExample/KeyboardLayoutGuideExample/Extensions.swift
@@ -36,8 +36,8 @@ class InvertedButton: UIButton {
         }
     }
     
-    override func awakeFromNib() {
-        super.awakeFromNib()
+    required init?(coder: NSCoder) {
+        super.init(coder: coder)
         updateBackgroundColor()
     }