diff --git a/Example/Pods/Pods.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/Example/Pods/Pods.xcodeproj/project.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..919434a
--- /dev/null
+++ b/Example/Pods/Pods.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>
diff --git a/Example/Pods/Pods.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/Example/Pods/Pods.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/Example/Pods/Pods.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/Example/SwiftAudio.xcodeproj/project.pbxproj b/Example/SwiftAudio.xcodeproj/project.pbxproj
index 03658e9..bbba862 100644
--- a/Example/SwiftAudio.xcodeproj/project.pbxproj
+++ b/Example/SwiftAudio.xcodeproj/project.pbxproj
@@ -625,7 +625,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				DEVELOPMENT_TEAM = HPNZWPB9JK;
 				INFOPLIST_FILE = SwiftAudio/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
@@ -642,7 +642,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				DEVELOPMENT_TEAM = HPNZWPB9JK;
 				INFOPLIST_FILE = SwiftAudio/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
diff --git a/Example/SwiftAudio.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/Example/SwiftAudio.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
index 949b678..f9b0d7c 100644
--- a/Example/SwiftAudio.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
+++ b/Example/SwiftAudio.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings
@@ -2,7 +2,7 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
-	<key>BuildSystemType</key>
-	<string>Original</string>
+	<key>PreviewsEnabled</key>
+	<false/>
 </dict>
 </plist>
diff --git a/SwiftAudio.podspec b/SwiftAudio.podspec
index f988012..5b15faa 100644
--- a/SwiftAudio.podspec
+++ b/SwiftAudio.podspec
@@ -19,7 +19,7 @@ DESC
   s.author           = { 'Jørgen Henrichsen' => 'jh.henrichs@gmail.com' }
   s.source           = { :git => 'https://github.com/jorgenhenrichsen/SwiftAudio.git', :tag => s.version.to_s }
 
-  s.ios.deployment_target = '10.0'
+  s.ios.deployment_target = '11.0'
   s.swift_version = '5.0'
   s.source_files = 'SwiftAudio/Classes/**/*'
 end
diff --git a/SwiftAudio/Classes/AVPlayerWrapper/AVPlayerWrapperDelegate.swift b/SwiftAudio/Classes/AVPlayerWrapper/AVPlayerWrapperDelegate.swift
index e38b4e4..f69c1b3 100644
--- a/SwiftAudio/Classes/AVPlayerWrapper/AVPlayerWrapperDelegate.swift
+++ b/SwiftAudio/Classes/AVPlayerWrapper/AVPlayerWrapperDelegate.swift
@@ -8,7 +8,7 @@
 import Foundation
 
 
-protocol AVPlayerWrapperDelegate: class {
+protocol AVPlayerWrapperDelegate: AnyObject {
     
     func AVWrapper(didChangeState state: AVPlayerWrapperState)
     func AVWrapper(secondsElapsed seconds: Double)
diff --git a/SwiftAudio/Classes/AVPlayerWrapper/AVPlayerWrapperProtocol.swift b/SwiftAudio/Classes/AVPlayerWrapper/AVPlayerWrapperProtocol.swift
index d541ddf..07005d5 100755
--- a/SwiftAudio/Classes/AVPlayerWrapper/AVPlayerWrapperProtocol.swift
+++ b/SwiftAudio/Classes/AVPlayerWrapper/AVPlayerWrapperProtocol.swift
@@ -9,7 +9,7 @@ import Foundation
 import AVFoundation
 
 
-protocol AVPlayerWrapperProtocol: class {
+protocol AVPlayerWrapperProtocol: AnyObject {
     
     var state: AVPlayerWrapperState { get }
     
diff --git a/SwiftAudio/Classes/NowPlayingInfoController/NowPlayingInfoProperty.swift b/SwiftAudio/Classes/NowPlayingInfoController/NowPlayingInfoProperty.swift
index 4260685..13141d0 100644
--- a/SwiftAudio/Classes/NowPlayingInfoController/NowPlayingInfoProperty.swift
+++ b/SwiftAudio/Classes/NowPlayingInfoController/NowPlayingInfoProperty.swift
@@ -31,7 +31,6 @@ public enum NowPlayingInfoProperty: NowPlayingInfoKeyValue {
      The URL pointing to the now playing item's underlying asset.
      This constant is used by the system UI when video thumbnails or audio waveform visualizations are applicable.
      */
-    @available(iOS 10.3, *)
     case assetUrl(URL?)
     
     /**
@@ -116,7 +115,6 @@ public enum NowPlayingInfoProperty: NowPlayingInfoKeyValue {
      The service provider associated with the now-playing item.
      Value is a unique NSString that identifies the service provider for the now-playing item. If the now-playing item belongs to a channel or subscription service, this key can be used to coordinate various types of now-playing content from the service provider.
      */
-    @available(iOS 11.0, *)
     case serviceIdentifier(String?)