diff --git a/RichEditorView.podspec b/RichEditorView.podspec
index 7ae3a6ed..269fe8c3 100644
--- a/RichEditorView.podspec
+++ b/RichEditorView.podspec
@@ -9,7 +9,7 @@ Pod::Spec.new do |s|
   s.social_media_url = 'https://twitter.com/cjwirth'
 
   s.platform     = :ios, '8.0'
-  s.swift_version = '4.0'
+  s.swift_version = '4.2'
   s.requires_arc = true
 
   s.source_files = 'RichEditorView/Classes/*'
diff --git a/RichEditorView.xcodeproj/project.pbxproj b/RichEditorView.xcodeproj/project.pbxproj
index c421cf52..fed71120 100644
--- a/RichEditorView.xcodeproj/project.pbxproj
+++ b/RichEditorView.xcodeproj/project.pbxproj
@@ -386,12 +386,12 @@
 				TargetAttributes = {
 					FBA6AAF81AD3EC9F00721644 = {
 						CreatedOnToolsVersion = 6.2;
-						LastSwiftMigration = 0800;
+						LastSwiftMigration = 1010;
 					};
 					FBA6AB031AD3EC9F00721644 = {
 						CreatedOnToolsVersion = 6.2;
 						DevelopmentTeam = XATA46WWFJ;
-						LastSwiftMigration = 0800;
+						LastSwiftMigration = 1010;
 					};
 				};
 			};
@@ -624,7 +624,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -642,7 +642,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.cjwirth.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
@@ -658,7 +658,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.cjwirth.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -670,7 +670,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.cjwirth.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
diff --git a/RichEditorView.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/RichEditorView.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 00000000..18d98100
--- /dev/null
+++ b/RichEditorView.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/RichEditorView/Classes/RichEditorView.swift b/RichEditorView/Classes/RichEditorView.swift
index 527b81c7..4e3bdc10 100644
--- a/RichEditorView/Classes/RichEditorView.swift
+++ b/RichEditorView/Classes/RichEditorView.swift
@@ -368,7 +368,7 @@ import UIKit
 
     // MARK: UIWebViewDelegate
 
-    public func webView(_ webView: UIWebView, shouldStartLoadWith request: URLRequest, navigationType: UIWebViewNavigationType) -> Bool {
+    public func webView(_ webView: UIWebView, shouldStartLoadWith request: URLRequest, navigationType: UIWebView.NavigationType) -> Bool {
 
         // Handle pre-defined editor actions
         let callbackPrefix = "re-callback://"