diff --git a/Action.podspec b/Action.podspec
index 61b13427..1b0058ea 100644
--- a/Action.podspec
+++ b/Action.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "Action"
-  s.version      = "3.6.0"
+  s.version      = "3.7.0"
   s.summary      = "Abstracts actions to be performed in RxSwift."
   s.description  = <<-DESC
     Encapsulates an action to be performed, usually by a button press, but also useful to pass actions to execute later
@@ -20,8 +20,8 @@ Pod::Spec.new do |s|
   s.source_files  = "Sources/**/*.{swift}"
 
   s.frameworks  = "Foundation"
-  s.dependency "RxSwift", "~> 4.2.0"
-  s.dependency "RxCocoa", "~> 4.2.0"
+  s.dependency "RxSwift", "~> 4.3.0"
+  s.dependency "RxCocoa", "~> 4.3.0"
 
   s.watchos.exclude_files = "Control+Action.swift", "Button+Action.swift", "UIBarButtonItem+Action.swift", "UIAlertAction+Action.swift"
   s.osx.exclude_files = "UIBarButtonItem+Action.swift", "UIAlertAction+Action.swift"
diff --git a/Action.xcodeproj/project.pbxproj b/Action.xcodeproj/project.pbxproj
index 69eb4cec..83716588 100644
--- a/Action.xcodeproj/project.pbxproj
+++ b/Action.xcodeproj/project.pbxproj
@@ -598,7 +598,7 @@
 					};
 					7F5E6A661D7F08D2000B6076 = {
 						CreatedOnToolsVersion = 8.0;
-						LastSwiftMigration = 0810;
+						LastSwiftMigration = 1000;
 						ProvisioningStyle = Automatic;
 					};
 					7F612ACB1D7F13B800B93BC5 = {
@@ -607,7 +607,7 @@
 					};
 					BE73AD1F1CDCD101006F8B98 = {
 						CreatedOnToolsVersion = 7.3;
-						LastSwiftMigration = 0800;
+						LastSwiftMigration = 1000;
 					};
 				};
 			};
@@ -834,6 +834,7 @@
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
@@ -860,6 +861,7 @@
 				PRODUCT_NAME = Action;
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
@@ -892,6 +894,7 @@
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -921,6 +924,7 @@
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
@@ -947,6 +951,7 @@
 				SDKROOT = watchos;
 				SKIP_INSTALL = YES;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = 4;
 				WATCHOS_DEPLOYMENT_TARGET = 2.0;
 			};
@@ -974,6 +979,7 @@
 				PRODUCT_NAME = Action;
 				SDKROOT = watchos;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = 4;
 				WATCHOS_DEPLOYMENT_TARGET = 2.0;
 			};
@@ -1050,7 +1056,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "-.Tests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
-				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -1067,6 +1073,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "-.Tests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
@@ -1235,6 +1242,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -1257,6 +1265,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.ashfurrow.Action;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
diff --git a/Cartfile b/Cartfile
index 12c2ee5f..452d8ee7 100644
--- a/Cartfile
+++ b/Cartfile
@@ -1 +1 @@
-github "ReactiveX/RxSwift" ~> 4.2.0
+github "ReactiveX/RxSwift" ~> 4.3.0
diff --git a/Changelog.md b/Changelog.md
index 75184882..90c7db67 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -5,12 +5,17 @@ Current master
 --------------
 - Fix build failure on New Build System (default on Xcode 10) [#151](https://github.com/RxSwiftCommunity/Action/pull/151)
 
+3.7.0
+-----
+- Added full support for Swift 4.2
+- Added full support for RxSwift 4.3
+
 3.6.0
 -----
 - Updated `Semantic Versioning` to reflect what is actaully released both on `Pod`  and `Carthage`
 - Added full support for Swift 4.1
 - Added full support for RxSwift 4.2.0
-- UIRefreshControl support: binding to an action (or CocoaAction) starts the action itself and updates the control's refreshing status 
+- UIRefreshControl support: binding to an action (or CocoaAction) starts the action itself and updates the control's refreshing status
 
 3.5.0
 -----
@@ -135,7 +140,7 @@ Added `UIAlertAction` support.
 0.2.1
 -----
 
-- Fixes `enabledIf:` parameter to be `Observable<B>`, `where B: BooleanType`. 
+- Fixes `enabledIf:` parameter to be `Observable<B>`, `where B: BooleanType`.
 
 0.2.0
 -----
diff --git a/Sources/Action/UIKitExtensions/UIAlertAction+Action.swift b/Sources/Action/UIKitExtensions/UIAlertAction+Action.swift
index 9107bf7d..5b4cea0e 100644
--- a/Sources/Action/UIKitExtensions/UIAlertAction+Action.swift
+++ b/Sources/Action/UIKitExtensions/UIAlertAction+Action.swift
@@ -3,9 +3,15 @@ import UIKit
 import RxSwift
 import RxCocoa
 
-public extension UIAlertAction {
+#if swift(>=4.2)
+public typealias ActionStyle = UIAlertAction.Style
+#else
+public typealias ActionStyle = UIAlertActionStyle
+#endif
 
-    public static func Action(_ title: String?, style: UIAlertActionStyle) -> UIAlertAction {
+public extension UIAlertAction {
+    
+    public static func Action(_ title: String?, style: ActionStyle) -> UIAlertAction {
         return UIAlertAction(title: title, style: style, handler: { action in
             action.rx.action?.execute(())
             return