diff --git a/AWSAppSync.podspec b/AWSAppSync.podspec
index 4fb4e51d..1cc35f16 100644
--- a/AWSAppSync.podspec
+++ b/AWSAppSync.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'AWSAppSync'
-  s.version      = '3.1.0'
+  s.version      = '3.1.1'
   s.author       = 'AWS'
   s.homepage     = 'http://aws.amazon.com/mobile/sdk'
   s.license      = { :type => 'Amazon Software License', :file => 'LICENSE' }
diff --git a/AWSAppSyncClient/AWSAppSyncHTTPNetworkTransport.swift b/AWSAppSyncClient/AWSAppSyncHTTPNetworkTransport.swift
index e653a8d9..8709f94b 100644
--- a/AWSAppSyncClient/AWSAppSyncHTTPNetworkTransport.swift
+++ b/AWSAppSyncClient/AWSAppSyncHTTPNetworkTransport.swift
@@ -111,7 +111,7 @@ public class AWSAppSyncHTTPNetworkTransport: AWSNetworkTransport {
         request.httpMethod = "POST"
         request.setValue(NSDate().aws_stringValue(AWSDateISO8601DateFormat2), forHTTPHeaderField: "X-Amz-Date")
         request.setValue("application/json", forHTTPHeaderField: "Content-Type")
-        request.setValue("aws-sdk-ios/3.1.0 AppSyncClient", forHTTPHeaderField: "User-Agent")
+        request.setValue("aws-sdk-ios/3.1.1 AppSyncClient", forHTTPHeaderField: "User-Agent")
         addDeviceId(request: &request)
     }
     
diff --git a/AWSAppSyncClient/Info.plist b/AWSAppSyncClient/Info.plist
index 4c70e903..ce892bfe 100644
--- a/AWSAppSyncClient/Info.plist
+++ b/AWSAppSyncClient/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>3.1.0</string>
+	<string>3.1.1</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSPrincipalClass</key>
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 524a7a68..e107af6a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@
 The AWS AppSync SDK for iOS enables you to access your AWS AppSync backend and perform operations like `Queries`, `Mutations` and `Subscriptions`. The SDK
 also includes support for offline operations.
 
-## Unreleased
+## 3.1.1
 
 ### General SDK improvements
 - Upgrade to [AppSyncRealTimeClient 1.1.6](https://github.com/aws-amplify/aws-appsync-realtime-client-ios/releases/tag/1.1.6)
diff --git a/README.md b/README.md
index f9f6ea79..257dff89 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ The AWS AppSync SDK for iOS enables you to access your AWS AppSync backend and p
 1. Add the following line to your Podfile:
 
     ```ruby
-    pod 'AWSAppSync', '~> 3.1.0'
+    pod 'AWSAppSync', '~> 3.1.1'
     ```
 
     Example:
@@ -37,7 +37,7 @@ The AWS AppSync SDK for iOS enables you to access your AWS AppSync backend and p
       use_frameworks!
 
       # Pods for EventsApp
-      pod 'AWSAppSync', '~> 3.1.0'
+      pod 'AWSAppSync', '~> 3.1.1'
     end
     ```