diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48515f59..63d8988d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Change Log
 
+## [0.5.1] 2016-06-14
+### Fixed
+
+- [Issue #47](https://github.com/uber/rides-ios-sdk/issues/47) SSO fails for correctly configured China apps. SDK now sends the correct Region string for SSO 
+
 ## [0.5.0] 2016-06-2
 ### Added
 
diff --git a/UberRides.podspec b/UberRides.podspec
index 5f6e5644..ed3eb4cf 100644
--- a/UberRides.podspec
+++ b/UberRides.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "UberRides"
-  s.version      = "0.5.0"
+  s.version      = "0.5.1"
   s.summary      = "The Official Uber Rides iOS SDK."
   s.description  = <<-DESC
     This Swift library allows you to integrate Uber into your iOS app. It is designed to make it quick and easy to add a 'Request a Ride' button in your application, seamlessly connecting your users with Uber.
diff --git a/source/UberRides/Configuration.swift b/source/UberRides/Configuration.swift
index fc3b794c..3053b6ff 100644
--- a/source/UberRides/Configuration.swift
+++ b/source/UberRides/Configuration.swift
@@ -120,9 +120,9 @@ import WebKit
     public static var regionString: String {
         switch region {
         case .China:
-            return "China"
+            return "china"
         case .Default:
-            return "Default"
+            return "default"
         }
     }
     
diff --git a/source/UberRides/Info.plist b/source/UberRides/Info.plist
index 288c341b..504fc36a 100644
--- a/source/UberRides/Info.plist
+++ b/source/UberRides/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.5.0</string>
+	<string>0.5.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
diff --git a/source/UberRidesTests/AuthenticationURLUtilityTests.swift b/source/UberRidesTests/AuthenticationURLUtilityTests.swift
index 4f66c219..fb818e32 100644
--- a/source/UberRidesTests/AuthenticationURLUtilityTests.swift
+++ b/source/UberRidesTests/AuthenticationURLUtilityTests.swift
@@ -49,7 +49,7 @@ class AuthenticationURLUtilityTests: XCTestCase {
         let expectedClientID = "testClientID"
         let expectedAppName = "My Awesome App"
         let expectedCallbackURI = "testURI://uberConnectNative"
-        let expectedLoginType = "Default"
+        let expectedLoginType = "default"
         let expectedSDK = "ios"
         let expectedSDKVersion = versionNumber
         
@@ -78,7 +78,7 @@ class AuthenticationURLUtilityTests: XCTestCase {
         let expectedClientID = "testClientID"
         let expectedAppName = "My Awesome App"
         let expectedCallbackURI = "testURI://uberConnectNative"
-        let expectedLoginType = "Default"
+        let expectedLoginType = "default"
         let expectedSDK = "ios"
         let expectedSDKVersion = versionNumber
         
@@ -109,7 +109,7 @@ class AuthenticationURLUtilityTests: XCTestCase {
         let expectedClientID = "testClientID"
         let expectedAppName = "My Awesome App"
         let expectedCallbackURI = "testURI://uberConnectNative"
-        let expectedLoginType = "China"
+        let expectedLoginType = "china"
         let expectedSDK = "ios"
         let expectedSDKVersion = versionNumber
         
@@ -140,7 +140,7 @@ class AuthenticationURLUtilityTests: XCTestCase {
         let expectedClientID = "testClientID"
         let expectedAppName = "My Awesome App"
         let expectedCallbackURI = "testURI://uberConnectNative"
-        let expectedLoginType = "China"
+        let expectedLoginType = "china"
         let expectedSDK = "ios"
         let expectedSDKVersion = versionNumber