diff --git a/.travis.yml b/.travis.yml
index 085d531..a8fbe00 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,9 +2,9 @@
 # * https://www.objc.io/issues/6-build-tools/travis-ci/
 # * https://github.com/supermarin/xcpretty#usage
 
-osx_image: xcode10.1
+osx_image: xcode10.2
 language: swift
 cache: cocoapods
 script:
 - pod lib lint
-- set -o pipefail && xcodebuild -project UIViewController-DisplayChild.xcodeproj -scheme UIViewController-DisplayChild -sdk iphonesimulator12.1 ONLY_ACTIVE_ARCH=NO | xcpretty
+- set -o pipefail && xcodebuild -project UIViewController-DisplayChild.xcodeproj -scheme UIViewController-DisplayChild -sdk iphonesimulator12.2 ONLY_ACTIVE_ARCH=NO | xcpretty
diff --git a/UIViewController-DisplayChild.podspec b/UIViewController-DisplayChild.podspec
index 5fb32e2..ebf92ba 100644
--- a/UIViewController-DisplayChild.podspec
+++ b/UIViewController-DisplayChild.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'UIViewController-DisplayChild'
-  s.version          = '2.1.0'
+  s.version          = '2.2.0'
   s.summary          = 'UIViewController containment made easy'
   s.description      = <<-DESC
   The problem: sometimes you need to embed a controller, but it might be embedded already. E.g. you have an empty view, and you do refresh only to get empty view again. If you do not check for its existence, you might end up creating a new instance unneccessarily. This can also have bad side effects when there is some heavier work in viewDidLoad for example.
@@ -13,7 +13,7 @@ The solution: transition to type, instead of an instance. If the instance does n
   s.author           = { 'INLOOPX' => 'info@inloopx.com' }
   s.source           = { :git => 'https://github.com/inloop/UIViewController-DisplayChild.git', :tag => s.version.to_s }
   s.ios.deployment_target = '10.0'
-  s.swift_version    = '4.2'
+  s.swift_version    = '5'
   s.source_files = 'UIViewController-DisplayChild/**/*'
   s.exclude_files = 'UIViewController-DisplayChild/Info.plist'
 end
diff --git a/UIViewController-DisplayChild.xcodeproj/project.pbxproj b/UIViewController-DisplayChild.xcodeproj/project.pbxproj
index 23ab322..ca99ebe 100644
--- a/UIViewController-DisplayChild.xcodeproj/project.pbxproj
+++ b/UIViewController-DisplayChild.xcodeproj/project.pbxproj
@@ -104,7 +104,7 @@
 				TargetAttributes = {
 					3B0791D82088D3DE00A39104 = {
 						CreatedOnToolsVersion = 9.3;
-						LastSwiftMigration = 0930;
+						LastSwiftMigration = 1020;
 					};
 				};
 			};
@@ -291,7 +291,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -319,7 +319,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.inloopx.Vito;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Release;
diff --git a/UIViewController-DisplayChild/UIViewController+DisplayChild.swift b/UIViewController-DisplayChild/UIViewController+DisplayChild.swift
index 89e16cb..69b095a 100644
--- a/UIViewController-DisplayChild/UIViewController+DisplayChild.swift
+++ b/UIViewController-DisplayChild/UIViewController+DisplayChild.swift
@@ -8,7 +8,7 @@ public protocol Instantiable {
 }
 
 public extension UIViewController {
-    public typealias VoidClosure = () -> Void
+    typealias VoidClosure = () -> Void
 
     static let embedTransitionAnimationDuration = 0.25