diff --git a/Example/JTAppleCalendar iOS Example/AnimationClass.swift b/Example/JTAppleCalendar iOS Example/AnimationClass.swift
index 0a2e9db4..6d3aeec7 100644
--- a/Example/JTAppleCalendar iOS Example/AnimationClass.swift	
+++ b/Example/JTAppleCalendar iOS Example/AnimationClass.swift	
@@ -81,7 +81,7 @@ extension UIView {
         
         
         let topRotationAnimation = CABasicAnimation(keyPath: "transform.rotation.x")
-        topRotationAnimation.fillMode = kCAFillModeForwards
+        topRotationAnimation.fillMode = CAMediaTimingFillMode.forwards
         topRotationAnimation.isRemovedOnCompletion = false
         switch (inDirection) {
         case .open:
@@ -97,7 +97,7 @@ extension UIView {
         
         
         let bottomRotationAnimation = CABasicAnimation(keyPath: "transform.rotation.x")
-        bottomRotationAnimation.fillMode = kCAFillModeForwards;
+        bottomRotationAnimation.fillMode = CAMediaTimingFillMode.forwards;
         bottomRotationAnimation.isRemovedOnCompletion = false
         switch (inDirection) {
         case .open:
@@ -111,25 +111,25 @@ extension UIView {
         bottomHalfView.layer.add(bottomRotationAnimation, forKey:nil)
         
         let bottomTranslationAnimation = CABasicAnimation(keyPath: "transform.translation.y")
-        bottomTranslationAnimation.fillMode = kCAFillModeForwards
+        bottomTranslationAnimation.fillMode = CAMediaTimingFillMode.forwards
         bottomTranslationAnimation.isRemovedOnCompletion = false
         switch (inDirection) {
         case .open:
             bottomTranslationAnimation.fromValue = topHalfView.frame.minY
             bottomTranslationAnimation.toValue = 2 * bottomHalfView.frame.size.height
-            bottomTranslationAnimation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseOut)
+            bottomTranslationAnimation.timingFunction = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeOut)
             break;
         case .closed:
             bottomTranslationAnimation.fromValue = 2 * bottomHalfView.frame.size.height
             bottomTranslationAnimation.toValue = topHalfView.frame.minY
-            bottomTranslationAnimation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseIn)
+            bottomTranslationAnimation.timingFunction = CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeIn)
         }
         
         //TODO: figure out a more precise timing function
         bottomHalfView.layer.add(bottomTranslationAnimation, forKey:nil)
         
         let opacityAnimation = CABasicAnimation(keyPath: "opacity")
-        opacityAnimation.fillMode = kCAFillModeForwards
+        opacityAnimation.fillMode = CAMediaTimingFillMode.forwards
         opacityAnimation.isRemovedOnCompletion = false
         switch (inDirection) {
         case .open:
@@ -189,7 +189,7 @@ class AnimationClass {
                 withDuration: 0.5,
                 delay: 0, usingSpringWithDamping: 0.3,
                 initialSpringVelocity: 0.1,
-                options: UIViewAnimationOptions.beginFromCurrentState,
+                options: UIView.AnimationOptions.beginFromCurrentState,
                 animations: {
                     view.transform = CGAffineTransform(scaleX: 1, y: 1)
                 },
diff --git a/Example/JTAppleCalendar iOS Example/AppDelegate.swift b/Example/JTAppleCalendar iOS Example/AppDelegate.swift
index 07f3951b..cfb5d0da 100644
--- a/Example/JTAppleCalendar iOS Example/AppDelegate.swift	
+++ b/Example/JTAppleCalendar iOS Example/AppDelegate.swift	
@@ -16,7 +16,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     func application(_ application: UIApplication,
         didFinishLaunchingWithOptions launchOptions:
-        [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+        [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
             return true
     }
 
diff --git a/Example/JTAppleCalendar iOS Example/ViewController.swift b/Example/JTAppleCalendar iOS Example/ViewController.swift
index bc4d3b54..91f414e2 100644
--- a/Example/JTAppleCalendar iOS Example/ViewController.swift	
+++ b/Example/JTAppleCalendar iOS Example/ViewController.swift	
@@ -205,7 +205,7 @@ class ViewController: UIViewController {
         // Registering header cells is optional
         
         calendarView.register(UINib(nibName: "PinkSectionHeaderView", bundle: Bundle.main),
-                              forSupplementaryViewOfKind: UICollectionElementKindSectionHeader,
+                              forSupplementaryViewOfKind: UICollectionView.elementKindSectionHeader,
                               withReuseIdentifier: "PinkSectionHeaderView")
         
 //        calendarView.registerDecorationView(nib: UINib(nibName: "SectionDecorationView", bundle: Bundle.main))
diff --git a/JTAppleCalendar.xcodeproj/project.pbxproj b/JTAppleCalendar.xcodeproj/project.pbxproj
index 247407e8..16f48387 100644
--- a/JTAppleCalendar.xcodeproj/project.pbxproj
+++ b/JTAppleCalendar.xcodeproj/project.pbxproj
@@ -651,6 +651,7 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 				Base,
 			);
@@ -968,6 +969,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				ONLY_ACTIVE_ARCH = YES;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -999,6 +1001,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;
@@ -1057,7 +1060,7 @@
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -1110,7 +1113,7 @@
 				PRODUCT_NAME = JTAppleCalendar;
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -1377,7 +1380,7 @@
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_SWIFT3_OBJC_INFERENCE = On;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -1424,7 +1427,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = iphoneos;
 				SWIFT_SWIFT3_OBJC_INFERENCE = On;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 5.0;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;