diff --git a/packages/amazon-cognito-identity-js/CHANGELOG.md b/packages/amazon-cognito-identity-js/CHANGELOG.md
index 0bafd271813..62fb5e2d087 100644
--- a/packages/amazon-cognito-identity-js/CHANGELOG.md
+++ b/packages/amazon-cognito-identity-js/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+<a name="2.0.21-unstable.4"></a>
+## [2.0.21-unstable.4](https://github.com/aws/aws-amplify/compare/amazon-cognito-identity-js@2.0.21-unstable.3...amazon-cognito-identity-js@2.0.21-unstable.4) (2018-08-13)
+
+
+
+
+**Note:** Version bump only for package amazon-cognito-identity-js
+
 <a name="2.0.21-unstable.3"></a>
 ## [2.0.21-unstable.3](https://github.com/aws/aws-amplify/compare/amazon-cognito-identity-js@2.0.21-unstable.2...amazon-cognito-identity-js@2.0.21-unstable.3) (2018-08-13)
 
diff --git a/packages/amazon-cognito-identity-js/package.json b/packages/amazon-cognito-identity-js/package.json
index 5c2368bb76b..0244bbf69c3 100644
--- a/packages/amazon-cognito-identity-js/package.json
+++ b/packages/amazon-cognito-identity-js/package.json
@@ -1,7 +1,7 @@
 {
   "name": "amazon-cognito-identity-js",
   "description": "Amazon Cognito Identity Provider JavaScript SDK",
-  "version": "2.0.21-unstable.3",
+  "version": "2.0.21-unstable.4",
   "author": {
     "name": "Amazon Web Services",
     "email": "aws@amazon.com",
diff --git a/packages/api/CHANGELOG.md b/packages/api/CHANGELOG.md
index 593190c5389..6149e54b3ba 100644
--- a/packages/api/CHANGELOG.md
+++ b/packages/api/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+<a name="1.0.6-unstable.4"></a>
+## [1.0.6-unstable.4](https://github.com/aws/aws-amplify/compare/@aws-amplify/api@1.0.6-unstable.3...@aws-amplify/api@1.0.6-unstable.4) (2018-08-13)
+
+
+
+
+**Note:** Version bump only for package @aws-amplify/api
+
 <a name="1.0.6-unstable.3"></a>
 ## [1.0.6-unstable.3](https://github.com/aws/aws-amplify/compare/@aws-amplify/api@1.0.6-unstable.2...@aws-amplify/api@1.0.6-unstable.3) (2018-08-13)
 
diff --git a/packages/api/package.json b/packages/api/package.json
index e4a4a3eda7b..23a0ce89571 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@aws-amplify/api",
-  "version": "1.0.6-unstable.3",
+  "version": "1.0.6-unstable.4",
   "description": "Api category of aws-amplify",
   "main": "./lib/index.js",
   "module": "./lib/index.js",
@@ -50,7 +50,7 @@
     "webpack": "^3.5.5"
   },
   "dependencies": {
-    "@aws-amplify/auth": "^1.0.6-unstable.3",
+    "@aws-amplify/auth": "^1.0.6-unstable.4",
     "@aws-amplify/cache": "^1.0.5-unstable.0",
     "@aws-amplify/core": "^1.0.5-unstable.0",
     "@types/zen-observable": "^0.5.3",
diff --git a/packages/auth/CHANGELOG.md b/packages/auth/CHANGELOG.md
index fbd3a1fabd4..1c28808909d 100644
--- a/packages/auth/CHANGELOG.md
+++ b/packages/auth/CHANGELOG.md
@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+<a name="1.0.6-unstable.4"></a>
+## [1.0.6-unstable.4](https://github.com/aws/aws-amplify/compare/@aws-amplify/auth@1.0.6-unstable.3...@aws-amplify/auth@1.0.6-unstable.4) (2018-08-13)
+
+
+### Bug Fixes
+
+* **@aws-amplify/auth:** dispatching failure event when hosted UI and documentation enhancement for hosted UI ([b13e937](https://github.com/aws/aws-amplify/commit/b13e937))
+
+
+
+
 <a name="1.0.6-unstable.3"></a>
 ## [1.0.6-unstable.3](https://github.com/aws/aws-amplify/compare/@aws-amplify/auth@1.0.6-unstable.2...@aws-amplify/auth@1.0.6-unstable.3) (2018-08-13)
 
diff --git a/packages/auth/package.json b/packages/auth/package.json
index d32ecb44794..e5ce56f16bb 100644
--- a/packages/auth/package.json
+++ b/packages/auth/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@aws-amplify/auth",
-  "version": "1.0.6-unstable.3",
+  "version": "1.0.6-unstable.4",
   "description": "Auth category of aws-amplify",
   "main": "./lib/index.js",
   "module": "./lib/index.js",
@@ -53,7 +53,7 @@
     "@aws-amplify/cache": "^1.0.5-unstable.0",
     "@aws-amplify/core": "^1.0.5-unstable.0",
     "amazon-cognito-auth-js": "^1.1.9",
-    "amazon-cognito-identity-js": "^2.0.21-unstable.3"
+    "amazon-cognito-identity-js": "^2.0.21-unstable.4"
   },
   "jest": {
     "transform": {
diff --git a/packages/aws-amplify-react-native/CHANGELOG.md b/packages/aws-amplify-react-native/CHANGELOG.md
index 2fb7a42cfc7..eb6b48393da 100644
--- a/packages/aws-amplify-react-native/CHANGELOG.md
+++ b/packages/aws-amplify-react-native/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+<a name="1.0.6-unstable.4"></a>
+## [1.0.6-unstable.4](https://github.com/aws/aws-amplify/compare/aws-amplify-react-native@1.0.6-unstable.3...aws-amplify-react-native@1.0.6-unstable.4) (2018-08-13)
+
+
+
+
+**Note:** Version bump only for package aws-amplify-react-native
+
 <a name="1.0.6-unstable.3"></a>
 ## [1.0.6-unstable.3](https://github.com/aws/aws-amplify/compare/aws-amplify-react-native@1.0.6-unstable.2...aws-amplify-react-native@1.0.6-unstable.3) (2018-08-13)
 
diff --git a/packages/aws-amplify-react-native/package.json b/packages/aws-amplify-react-native/package.json
index 1d239a4f200..23eb4ff3297 100644
--- a/packages/aws-amplify-react-native/package.json
+++ b/packages/aws-amplify-react-native/package.json
@@ -1,6 +1,6 @@
 {
   "name": "aws-amplify-react-native",
-  "version": "1.0.6-unstable.3",
+  "version": "1.0.6-unstable.4",
   "description": "AWS Amplify is a JavaScript library for Frontend and mobile developers building cloud-enabled applications.",
   "main": "dist/index.js",
   "scripts": {
@@ -20,7 +20,7 @@
     "rimraf": "^2.6.2"
   },
   "dependencies": {
-    "aws-amplify": "^1.0.6-unstable.3",
+    "aws-amplify": "^1.0.6-unstable.4",
     "axios": "^0.17.1",
     "babel-preset-es2015": "^6.24.1"
   },
diff --git a/packages/aws-amplify-react/CHANGELOG.md b/packages/aws-amplify-react/CHANGELOG.md
index 5ff42e25929..26d36e04ccb 100644
--- a/packages/aws-amplify-react/CHANGELOG.md
+++ b/packages/aws-amplify-react/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+<a name="1.0.6-unstable.4"></a>
+## [1.0.6-unstable.4](https://github.com/aws/aws-amplify/compare/aws-amplify-react@1.0.6-unstable.3...aws-amplify-react@1.0.6-unstable.4) (2018-08-13)
+
+
+
+
+**Note:** Version bump only for package aws-amplify-react
+
 <a name="1.0.6-unstable.3"></a>
 ## [1.0.6-unstable.3](https://github.com/aws/aws-amplify/compare/aws-amplify-react@1.0.6-unstable.2...aws-amplify-react@1.0.6-unstable.3) (2018-08-13)
 
diff --git a/packages/aws-amplify-react/package.json b/packages/aws-amplify-react/package.json
index c0f90f2a0c6..c86db31a02d 100644
--- a/packages/aws-amplify-react/package.json
+++ b/packages/aws-amplify-react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "aws-amplify-react",
-  "version": "1.0.6-unstable.3",
+  "version": "1.0.6-unstable.4",
   "description": "AWS Amplify is a JavaScript library for Frontend and mobile developers building cloud-enabled applications.",
   "main": "dist/index.js",
   "scripts": {
@@ -51,7 +51,7 @@
     }
   },
   "dependencies": {
-    "aws-amplify": "^1.0.6-unstable.3",
+    "aws-amplify": "^1.0.6-unstable.4",
     "qrcode.react": "^0.8.0",
     "regenerator-runtime": "^0.11.1"
   }
diff --git a/packages/aws-amplify/CHANGELOG.md b/packages/aws-amplify/CHANGELOG.md
index e78c4b63ee3..99a72713943 100644
--- a/packages/aws-amplify/CHANGELOG.md
+++ b/packages/aws-amplify/CHANGELOG.md
@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+<a name="1.0.6-unstable.4"></a>
+## [1.0.6-unstable.4](https://github.com/aws/aws-amplify/compare/aws-amplify@1.0.6-unstable.3...aws-amplify@1.0.6-unstable.4) (2018-08-13)
+
+
+
+
+**Note:** Version bump only for package aws-amplify
+
 <a name="1.0.6-unstable.3"></a>
 ## [1.0.6-unstable.3](https://github.com/aws/aws-amplify/compare/aws-amplify@1.0.6-unstable.2...aws-amplify@1.0.6-unstable.3) (2018-08-13)
 
diff --git a/packages/aws-amplify/package.json b/packages/aws-amplify/package.json
index 5f8d26eaeb7..2ae9a10526b 100644
--- a/packages/aws-amplify/package.json
+++ b/packages/aws-amplify/package.json
@@ -1,6 +1,6 @@
 {
   "name": "aws-amplify",
-  "version": "1.0.6-unstable.3",
+  "version": "1.0.6-unstable.4",
   "description": "AWS Amplify is a JavaScript library for Frontend and mobile developers building cloud-enabled applications.",
   "main": "./lib/index.js",
   "typings": "./lib/index.d.ts",
@@ -48,8 +48,8 @@
   },
   "dependencies": {
     "@aws-amplify/analytics": "^1.0.5-unstable.0",
-    "@aws-amplify/api": "^1.0.6-unstable.3",
-    "@aws-amplify/auth": "^1.0.6-unstable.3",
+    "@aws-amplify/api": "^1.0.6-unstable.4",
+    "@aws-amplify/auth": "^1.0.6-unstable.4",
     "@aws-amplify/cache": "^1.0.5-unstable.0",
     "@aws-amplify/core": "^1.0.5-unstable.0",
     "@aws-amplify/interactions": "^1.0.5-unstable.0",