diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..50df5d3
Binary files /dev/null and b/.DS_Store differ
diff --git a/.swift-version b/.swift-version
index 5186d07..819e07a 100644
--- a/.swift-version
+++ b/.swift-version
@@ -1 +1 @@
-4.0
+5.0
diff --git a/.travis.yml b/.travis.yml
index b98f777..97f37cb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode10
+osx_image: xcode10.2
 podfile: Example/Podfile
 notifications:
   email: false
diff --git a/Example/.DS_Store b/Example/.DS_Store
new file mode 100644
index 0000000..3496767
Binary files /dev/null and b/Example/.DS_Store differ
diff --git a/Example/Moya-SwiftyJSONMapper.xcodeproj/project.pbxproj b/Example/Moya-SwiftyJSONMapper.xcodeproj/project.pbxproj
index aa82e65..a007a91 100644
--- a/Example/Moya-SwiftyJSONMapper.xcodeproj/project.pbxproj
+++ b/Example/Moya-SwiftyJSONMapper.xcodeproj/project.pbxproj
@@ -238,17 +238,18 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0720;
-				LastUpgradeCheck = 1000;
+				LastUpgradeCheck = 1020;
 				ORGANIZATIONNAME = CocoaPods;
 				TargetAttributes = {
 					607FACCF1AFB9204008FA782 = {
 						CreatedOnToolsVersion = 6.3.1;
-						LastSwiftMigration = 1000;
-						ProvisioningStyle = Manual;
+						DevelopmentTeam = FFLRU7747R;
+						LastSwiftMigration = 1020;
+						ProvisioningStyle = Automatic;
 					};
 					607FACE41AFB9204008FA782 = {
 						CreatedOnToolsVersion = 6.3.1;
-						LastSwiftMigration = 1000;
+						LastSwiftMigration = 1020;
 						TestTargetID = 607FACCF1AFB9204008FA782;
 					};
 				};
@@ -258,6 +259,7 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 				Base,
 			);
@@ -301,7 +303,7 @@
 			files = (
 			);
 			inputPaths = (
-				"${SRCROOT}/Pods/Target Support Files/Pods-Moya-SwiftyJSONMapper_Tests/Pods-Moya-SwiftyJSONMapper_Tests-frameworks.sh",
+				"${PODS_ROOT}/Target Support Files/Pods-Moya-SwiftyJSONMapper_Tests/Pods-Moya-SwiftyJSONMapper_Tests-frameworks.sh",
 				"${BUILT_PRODUCTS_DIR}/Alamofire/Alamofire.framework",
 				"${BUILT_PRODUCTS_DIR}/Moya/Moya.framework",
 				"${BUILT_PRODUCTS_DIR}/Moya-SwiftyJSONMapper/Moya_SwiftyJSONMapper.framework",
@@ -322,7 +324,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-Moya-SwiftyJSONMapper_Tests/Pods-Moya-SwiftyJSONMapper_Tests-frameworks.sh\"\n";
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Moya-SwiftyJSONMapper_Tests/Pods-Moya-SwiftyJSONMapper_Tests-frameworks.sh\"\n";
 			showEnvVarsInLog = 0;
 		};
 		CCD5DA6A1025628E2FEB2086 /* [CP] Embed Pods Frameworks */ = {
@@ -331,7 +333,7 @@
 			files = (
 			);
 			inputPaths = (
-				"${SRCROOT}/Pods/Target Support Files/Pods-Moya-SwiftyJSONMapper_Example/Pods-Moya-SwiftyJSONMapper_Example-frameworks.sh",
+				"${PODS_ROOT}/Target Support Files/Pods-Moya-SwiftyJSONMapper_Example/Pods-Moya-SwiftyJSONMapper_Example-frameworks.sh",
 				"${BUILT_PRODUCTS_DIR}/Alamofire/Alamofire.framework",
 				"${BUILT_PRODUCTS_DIR}/Moya/Moya.framework",
 				"${BUILT_PRODUCTS_DIR}/Moya-SwiftyJSONMapper/Moya_SwiftyJSONMapper.framework",
@@ -352,7 +354,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-Moya-SwiftyJSONMapper_Example/Pods-Moya-SwiftyJSONMapper_Example-frameworks.sh\"\n";
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Moya-SwiftyJSONMapper_Example/Pods-Moya-SwiftyJSONMapper_Example-frameworks.sh\"\n";
 			showEnvVarsInLog = 0;
 		};
 		DF728A03AA3CAF525CCA42DD /* [CP] Check Pods Manifest.lock */ = {
@@ -447,6 +449,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
@@ -503,6 +506,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
@@ -553,12 +557,16 @@
 			baseConfigurationReference = 2DEC71E25016FC11FE062150 /* Pods-Moya-SwiftyJSONMapper_Example.debug.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CODE_SIGN_STYLE = Automatic;
+				DEVELOPMENT_TEAM = FFLRU7747R;
 				INFOPLIST_FILE = "Moya-SwiftyJSONMapper/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.2;
+				PROVISIONING_PROFILE_SPECIFIER = "";
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -567,12 +575,16 @@
 			baseConfigurationReference = 2A0941FB078096C59A878701 /* Pods-Moya-SwiftyJSONMapper_Example.release.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CODE_SIGN_STYLE = Automatic;
+				DEVELOPMENT_TEAM = FFLRU7747R;
 				INFOPLIST_FILE = "Moya-SwiftyJSONMapper/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				MODULE_NAME = ExampleApp;
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.demo.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.2;
+				PROVISIONING_PROFILE_SPECIFIER = "";
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
@@ -593,7 +605,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Moya-SwiftyJSONMapper_Example.app/Moya-SwiftyJSONMapper_Example";
 			};
 			name = Debug;
@@ -611,7 +623,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/Moya-SwiftyJSONMapper_Example.app/Moya-SwiftyJSONMapper_Example";
 			};
 			name = Release;
diff --git a/Example/Moya-SwiftyJSONMapper.xcodeproj/xcshareddata/xcschemes/Moya-SwiftyJSONMapper-Example.xcscheme b/Example/Moya-SwiftyJSONMapper.xcodeproj/xcshareddata/xcschemes/Moya-SwiftyJSONMapper-Example.xcscheme
index e758fbc..d28616f 100644
--- a/Example/Moya-SwiftyJSONMapper.xcodeproj/xcshareddata/xcschemes/Moya-SwiftyJSONMapper-Example.xcscheme
+++ b/Example/Moya-SwiftyJSONMapper.xcodeproj/xcshareddata/xcschemes/Moya-SwiftyJSONMapper-Example.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Example/Podfile b/Example/Podfile
index 815c6ae..08a3e36 100644
--- a/Example/Podfile
+++ b/Example/Podfile
@@ -19,16 +19,16 @@ end
 
 # Build configurations
 post_install do |installer|
-  swift4Targets = ['Moya', 'Moya-SwiftyJSONMapper', 'RxSwift', 'ReactiveSwift']
+  swift5Targets = ['Moya', 'Moya-SwiftyJSONMapper', 'RxSwift', 'ReactiveSwift']
 
   installer.pods_project.targets.each do |target|
-      if swift4Targets.include? target.name
+      if swift5Targets.include? target.name
         target.build_configurations.each do |config|
-          config.build_settings['SWIFT_VERSION'] = '4.0'
+          config.build_settings['SWIFT_VERSION'] = '5.0'
         end
       else
         target.build_configurations.each do |config|
-          config.build_settings['SWIFT_VERSION'] = '3.2'
+          config.build_settings['SWIFT_VERSION'] = '4.2'
         end
       end
   end
diff --git a/Example/Podfile.lock b/Example/Podfile.lock
index 4796c6e..cff44e5 100644
--- a/Example/Podfile.lock
+++ b/Example/Podfile.lock
@@ -1,32 +1,32 @@
 PODS:
-  - Alamofire (4.7.3)
-  - Moya (11.0.2):
-    - Moya/Core (= 11.0.2)
-  - Moya-SwiftyJSONMapper (3.1.0):
-    - Moya-SwiftyJSONMapper/Core (= 3.1.0)
-  - Moya-SwiftyJSONMapper/Core (3.1.0):
-    - Moya (~> 11.0)
+  - Alamofire (4.8.2)
+  - Moya (13.0.1):
+    - Moya/Core (= 13.0.1)
+  - Moya-SwiftyJSONMapper (4.0.0):
+    - Moya-SwiftyJSONMapper/Core (= 4.0.0)
+  - Moya-SwiftyJSONMapper/Core (4.0.0):
+    - Moya (~> 13.0.1)
     - SwiftyJSON
-  - Moya-SwiftyJSONMapper/ReactiveCocoa (3.1.0):
+  - Moya-SwiftyJSONMapper/ReactiveCocoa (4.0.0):
     - Moya-SwiftyJSONMapper/Core
     - Moya/ReactiveSwift
-  - Moya-SwiftyJSONMapper/RxSwift (3.1.0):
+  - Moya-SwiftyJSONMapper/RxSwift (4.0.0):
     - Moya-SwiftyJSONMapper/Core
     - Moya/RxSwift
-  - Moya/Core (11.0.2):
+  - Moya/Core (13.0.1):
     - Alamofire (~> 4.1)
-    - Result (~> 3.0)
-  - Moya/ReactiveSwift (11.0.2):
+    - Result (~> 4.1)
+  - Moya/ReactiveSwift (13.0.1):
     - Moya/Core
-    - ReactiveSwift (~> 3.0)
-  - Moya/RxSwift (11.0.2):
+    - ReactiveSwift (~> 5.0)
+  - Moya/RxSwift (13.0.1):
     - Moya/Core
     - RxSwift (~> 4.0)
-  - ReactiveSwift (3.1.0):
-    - Result (~> 3.2)
-  - Result (3.2.4)
-  - RxSwift (4.3.0)
-  - SwiftyJSON (3.1.4)
+  - ReactiveSwift (5.0.1):
+    - Result (~> 4.1)
+  - Result (4.1.0)
+  - RxSwift (4.5.0)
+  - SwiftyJSON (5.0.0)
 
 DEPENDENCIES:
   - Moya-SwiftyJSONMapper (from `../`)
@@ -47,14 +47,14 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  Alamofire: c7287b6e5d7da964a70935e5db17046b7fde6568
-  Moya: a725035953bc1c0eb1be505ab903984501d82440
-  Moya-SwiftyJSONMapper: 7d63343fe826514ff710b5d39bdccda5cfce9dbb
-  ReactiveSwift: 5b26d2e988fe0eed2daf48c4054d1de74db50184
-  Result: d2d07204ce72856f1fd9130bbe42c35a7b0fea10
-  RxSwift: a9717a34df3179fe63563f76e046ad345078dd3a
-  SwiftyJSON: c2842d878f95482ffceec5709abc3d05680c0220
+  Alamofire: ae5c501addb7afdbb13687d7f2f722c78734c2d3
+  Moya: f4a4b80ff2f8a4ffc208dfb31cd91636622fee6e
+  Moya-SwiftyJSONMapper: 46766fd2fa3543af73cb6e0674b732417e1c7a83
+  ReactiveSwift: cac20a5bbe560c5806bd29c0fccf90d03b996ac1
+  Result: bd966fac789cc6c1563440b348ab2598cc24d5c7
+  RxSwift: f172070dfd1a93d70a9ab97a5a01166206e1c575
+  SwiftyJSON: 36413e04c44ee145039d332b4f4e2d3e8d6c4db7
 
-PODFILE CHECKSUM: f4b96694fb484a90dfd563ab2c7e9cbd793722e9
+PODFILE CHECKSUM: b2070400d16a827b30d7177b42586267696afe2d
 
-COCOAPODS: 1.5.3
+COCOAPODS: 1.6.1
diff --git a/Moya-SwiftyJSONMapper.podspec b/Moya-SwiftyJSONMapper.podspec
index 3f3111a..abbb2e8 100644
--- a/Moya-SwiftyJSONMapper.podspec
+++ b/Moya-SwiftyJSONMapper.podspec
@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = "Moya-SwiftyJSONMapper"
-  s.version          = "3.1.0"
+  s.version          = "4.0.0"
   s.summary          = "Map objects through SwiftyJSON in combination with Moya"
   s.description  = <<-EOS
     [SwiftyJSON](https://github.com/SwiftyJSON/SwiftyJSON) bindings for
@@ -32,7 +32,7 @@ Pod::Spec.new do |s|
 
   s.subspec "Core" do |ss|
     ss.source_files  = "Source/*.swift"
-    ss.dependency "Moya", "~> 11.0"
+    ss.dependency "Moya", "~> 13.0.1"
     ss.dependency "SwiftyJSON"
     ss.framework  = "Foundation"
   end
diff --git a/Source/Response+SwiftyJSONMapper.swift b/Source/Response+SwiftyJSONMapper.swift
index a3c984a..5675935 100755
--- a/Source/Response+SwiftyJSONMapper.swift
+++ b/Source/Response+SwiftyJSONMapper.swift
@@ -13,7 +13,7 @@ public extension Response {
 
     /// Maps data received from the signal into an object which implements the ALSwiftyJSONAble protocol.
     /// If the conversion fails, the signal errors.
-    public func map<T: ALSwiftyJSONAble>(to type:T.Type) throws -> T {
+    func map<T: ALSwiftyJSONAble>(to type:T.Type) throws -> T {
         let jsonObject = try mapJSON()
         
         guard let mappedObject = T(jsonData: JSON(jsonObject)) else {
@@ -25,7 +25,7 @@ public extension Response {
 
     /// Maps data received from the signal into an array of objects which implement the ALSwiftyJSONAble protocol
     /// If the conversion fails, the signal errors.
-    public func map<T: ALSwiftyJSONAble>(to type:[T.Type]) throws -> [T] {
+    func map<T: ALSwiftyJSONAble>(to type:[T.Type]) throws -> [T] {
         let jsonObject = try mapJSON()
         
         let mappedArray = JSON(jsonObject)