diff --git a/MMLanScanSwiftDemo/MMLanScanSwiftDemo.xcodeproj/project.pbxproj b/MMLanScanSwiftDemo/MMLanScanSwiftDemo.xcodeproj/project.pbxproj
index 4044160..720abc7 100644
--- a/MMLanScanSwiftDemo/MMLanScanSwiftDemo.xcodeproj/project.pbxproj
+++ b/MMLanScanSwiftDemo/MMLanScanSwiftDemo.xcodeproj/project.pbxproj
@@ -289,6 +289,7 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 				Base,
 			);
@@ -480,7 +481,7 @@
 				SWIFT_OBJC_BRIDGING_HEADER = "MMLANScanSwiftDemo/MMLANScan-Bridging-Header.h";
 				SWIFT_OBJC_INTERFACE_HEADER_NAME = "";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 5.0;
 				USER_HEADER_SEARCH_PATHS = "${SRCROOT}";
 			};
 			name = Debug;
@@ -501,7 +502,7 @@
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SWIFT_OBJC_BRIDGING_HEADER = "MMLANScanSwiftDemo/MMLANScan-Bridging-Header.h";
 				SWIFT_OBJC_INTERFACE_HEADER_NAME = "";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 5.0;
 				USER_HEADER_SEARCH_PATHS = "${SRCROOT}";
 			};
 			name = Release;
diff --git a/MMLanScanSwiftDemo/MMLanScanSwiftDemo.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/MMLanScanSwiftDemo/MMLanScanSwiftDemo.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/MMLanScanSwiftDemo/MMLanScanSwiftDemo.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/MMLanScanSwiftDemo/MMLanScanSwiftDemo/AppDelegate.swift b/MMLanScanSwiftDemo/MMLanScanSwiftDemo/AppDelegate.swift
index 525d71a..a2191ac 100644
--- a/MMLanScanSwiftDemo/MMLanScanSwiftDemo/AppDelegate.swift
+++ b/MMLanScanSwiftDemo/MMLanScanSwiftDemo/AppDelegate.swift
@@ -14,7 +14,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     var window: UIWindow?
 
 
-    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         // Override point for customization after application launch.
         return true
     }
diff --git a/MMLanScanSwiftDemo/MMLanScanSwiftDemo/MainVC.swift b/MMLanScanSwiftDemo/MMLanScanSwiftDemo/MainVC.swift
index d92fe16..ea7b23d 100644
--- a/MMLanScanSwiftDemo/MMLanScanSwiftDemo/MainVC.swift
+++ b/MMLanScanSwiftDemo/MMLanScanSwiftDemo/MainVC.swift
@@ -112,9 +112,9 @@ class MainVC: UIViewController, MainPresenterDelegate, UITableViewDelegate, UITa
     //MARK: - Alert Controller
     func showAlert(title:String, message: String) {
     
-        let alertController = UIAlertController(title: title, message: message, preferredStyle: UIAlertControllerStyle.alert)
+        let alertController = UIAlertController(title: title, message: message, preferredStyle: UIAlertController.Style.alert)
      
-        let okAction = UIAlertAction(title: "OK", style: UIAlertActionStyle.default) { (result : UIAlertAction) -> Void in}
+        let okAction = UIAlertAction(title: "OK", style: UIAlertAction.Style.default) { (result : UIAlertAction) -> Void in}
         
         alertController.addAction(okAction)