diff --git a/CardSlider.xcodeproj/project.pbxproj b/CardSlider.xcodeproj/project.pbxproj
index d0b7ee1..beccc3b 100644
--- a/CardSlider.xcodeproj/project.pbxproj
+++ b/CardSlider.xcodeproj/project.pbxproj
@@ -102,6 +102,7 @@
 				TargetAttributes = {
 					100D4D971E64C99D00486D7C = {
 						CreatedOnToolsVersion = 8.2.1;
+						DevelopmentTeam = FE73CQ8FQ2;
 						LastSwiftMigration = 0820;
 						ProvisioningStyle = Automatic;
 					};
@@ -112,6 +113,7 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 				Base,
 			);
@@ -262,14 +264,14 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				DEVELOPMENT_TEAM = "";
+				DEVELOPMENT_TEAM = FE73CQ8FQ2;
 				INFOPLIST_FILE = CardSlider/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = saoudrizwan.CardSlider;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -278,13 +280,13 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
-				DEVELOPMENT_TEAM = "";
+				DEVELOPMENT_TEAM = FE73CQ8FQ2;
 				INFOPLIST_FILE = CardSlider/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = saoudrizwan.CardSlider;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
diff --git a/CardSlider.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/CardSlider.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/CardSlider.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/CardSlider.xcodeproj/project.xcworkspace/xcuserdata/macbookair.xcuserdatad/UserInterfaceState.xcuserstate b/CardSlider.xcodeproj/project.xcworkspace/xcuserdata/macbookair.xcuserdatad/UserInterfaceState.xcuserstate
new file mode 100644
index 0000000..1d70505
Binary files /dev/null and b/CardSlider.xcodeproj/project.xcworkspace/xcuserdata/macbookair.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/CardSlider.xcodeproj/xcuserdata/macbookair.xcuserdatad/xcschemes/xcschememanagement.plist b/CardSlider.xcodeproj/xcuserdata/macbookair.xcuserdatad/xcschemes/xcschememanagement.plist
new file mode 100644
index 0000000..02cd6df
--- /dev/null
+++ b/CardSlider.xcodeproj/xcuserdata/macbookair.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -0,0 +1,14 @@
+<?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>SchemeUserState</key>
+	<dict>
+		<key>CardSlider.xcscheme_^#shared#^_</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+</dict>
+</plist>
diff --git a/CardSlider/AppDelegate.swift b/CardSlider/AppDelegate.swift
index b98318c..df37f3b 100644
--- a/CardSlider/AppDelegate.swift
+++ b/CardSlider/AppDelegate.swift
@@ -13,7 +13,7 @@ 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.
         
         let vc = ViewController()
diff --git a/CardSlider/ViewController.swift b/CardSlider/ViewController.swift
index 739c01d..aa06152 100644
--- a/CardSlider/ViewController.swift
+++ b/CardSlider/ViewController.swift
@@ -78,7 +78,7 @@ class ViewController: UIViewController {
         }
         
         // make sure that the first card in the deck is at the front
-        self.view.bringSubview(toFront: cards[0])
+        self.view.bringSubviewToFront(cards[0])
     }
     
     /// This is called whenever the front card is swiped off the screen or is animating away from its initial position.
@@ -111,7 +111,7 @@ class ViewController: UIViewController {
         // 2. add a new card (now the 4th card in the deck) to the very back
         if 4 > (cards.count - 1) {
             if cards.count != 1 {
-                self.view.bringSubview(toFront: cards[1])
+                self.view.bringSubviewToFront(cards[1])
             }
             return
         }
@@ -137,7 +137,7 @@ class ViewController: UIViewController {
             
         })
         // first card needs to be in the front for proper interactivity
-        self.view.bringSubview(toFront: self.cards[1])
+        self.view.bringSubviewToFront(self.cards[1])
         
     }
     
@@ -152,7 +152,7 @@ class ViewController: UIViewController {
     var cardAttachmentBehavior: UIAttachmentBehavior!
     
     /// This method handles the swiping gesture on each card and shows the appropriate emoji based on the card's center.
-    func handleCardPan(sender: UIPanGestureRecognizer) {
+    @objc func handleCardPan(sender: UIPanGestureRecognizer) {
         // if we're in the process of hiding a card, don't let the user interace with the cards yet
         if cardIsHiding { return }
         // change this to your discretion - it represents how far the user must pan up or down to change the option
@@ -165,7 +165,7 @@ class ViewController: UIViewController {
         switch sender.state {
         case .began:
             dynamicAnimator.removeAllBehaviors()
-            let offset = UIOffsetMake(panLocationInCard.x - cards[0].bounds.midX, panLocationInCard.y - cards[0].bounds.midY);
+            let offset = UIOffset(horizontal: panLocationInCard.x - cards[0].bounds.midX, vertical: panLocationInCard.y - cards[0].bounds.midY);
             // card is attached to center
             cardAttachmentBehavior = UIAttachmentBehavior(item: cards[0], offsetFromCenter: offset, attachedToAnchor: panLocationInView)
             dynamicAnimator.addBehavior(cardAttachmentBehavior)