diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1e991e6..384b3b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 > **LoginRadius PHP SDK Change Log** provides information regarding what has changed, more specifically what changes, improvements and bug fix has been made to the SDK. For more details please refer to the [LoginRadius API Documention](https://www.loginradius.com/docs/api/v2/deployment/sdk-libraries/php-library/)
 
+
+# Version 11.1.1
+Release on **June 11, 2021**
+
+## Bug Fixed
+- Fixed API Key Validation issue
+
 # Version 11.1.0
 Release on **April 06, 2021**
 
diff --git a/README.md b/README.md
index c85db19..b076c38 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ curl -sS https://getcomposer.org/installer | php
 Next, run the Composer command to install the latest stable version of library:
 
 ```
-composer require loginradius/php-sdk:11.1.0
+composer require loginradius/php-sdk:11.1.1
 ```
 
 Include the following files in your Project Directory
diff --git a/composer.json b/composer.json
index d954e94..b3c38f8 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "loginradius/php-sdk",
-    "description": "LoginRadius PHP SDK v11.1.0",
+    "description": "LoginRadius PHP SDK v11.1.1",
     "keywords": ["loginradius", "phpsdk"],
     "type": "library",
     "license": "MIT",
diff --git a/src/LoginRadiusSDK/Clients/DefaultHttpClient.php b/src/LoginRadiusSDK/Clients/DefaultHttpClient.php
index f3e11ea..9c1b149 100644
--- a/src/LoginRadiusSDK/Clients/DefaultHttpClient.php
+++ b/src/LoginRadiusSDK/Clients/DefaultHttpClient.php
@@ -5,7 +5,7 @@
  * @category : Clients
  * @package : DefaultHttpClient
  * @author : LoginRadius Team
- * @version : 11.1.0
+ * @version : 11.1.1
  * @license : https://opensource.org/licenses/MIT
  */
 
diff --git a/src/LoginRadiusSDK/Clients/IHttpClientInterface.php b/src/LoginRadiusSDK/Clients/IHttpClientInterface.php
index 67e87bd..c5f778d 100644
--- a/src/LoginRadiusSDK/Clients/IHttpClientInterface.php
+++ b/src/LoginRadiusSDK/Clients/IHttpClientInterface.php
@@ -5,7 +5,7 @@
  * @category : Clients
  * @package : IHttpClientInterface
  * @author : LoginRadius Team
- * @version : 11.1.0
+ * @version : 11.1.1
  * @license : https://opensource.org/licenses/MIT
  */
 
diff --git a/src/LoginRadiusSDK/LoginRadiusException.php b/src/LoginRadiusSDK/LoginRadiusException.php
index 187e4e2..2964d5d 100644
--- a/src/LoginRadiusSDK/LoginRadiusException.php
+++ b/src/LoginRadiusSDK/LoginRadiusException.php
@@ -5,7 +5,7 @@
  * @category : LoginRadiusSDK
  * @package : LoginRadiusException
  * @author : LoginRadius Team
- * @version : 11.1.0
+ * @version : 11.1.1
  * @license : https://opensource.org/licenses/MIT
  */
 namespace LoginRadiusSDK;
diff --git a/src/LoginRadiusSDK/Utility/Functions.php b/src/LoginRadiusSDK/Utility/Functions.php
index 02ae967..1580549 100644
--- a/src/LoginRadiusSDK/Utility/Functions.php
+++ b/src/LoginRadiusSDK/Utility/Functions.php
@@ -5,7 +5,7 @@
  * @category : Utility
  * @package : Functions
  * @author : LoginRadius Team
- * @version : 11.1.0
+ * @version : 11.1.1
  * @license : https://opensource.org/licenses/MIT
  */
 
@@ -23,7 +23,7 @@
 class Functions
 {
 
-    const VERSION = '11.1.0';
+    const VERSION = '11.1.1';
 
     private static $_apikey;
     private static $_apisecret;
@@ -63,7 +63,6 @@ public function __construct($customizeOptions = array())
      */
     public static function setDefaultApplication($apikey, $apisecret)
     {
-        self::_checkAPIValidation($apikey, $apisecret);
         self::$_apikey = $apikey;
         self::$_apisecret = $apisecret;