diff --git a/README.md b/README.md
index d330e50e..991eec1c 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Check out our [API Reference](https://quickblox.github.io/quickblox-javascript-s
 ## Dependencies for browser
 
 ```html
-<script src="https://unpkg.com/quickblox@2.15.3/quickblox.min.js"></script>
+<script src="https://unpkg.com/quickblox@2.15.4/quickblox.min.js"></script>
 ```
 
 ## Bower and RequireJS
diff --git a/package.json b/package.json
index 88aa95e2..e8c4669b 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "quickblox",
   "description": "QuickBlox JavaScript SDK",
-  "version": "2.15.3",
+  "version": "2.15.4",
   "homepage": "https://quickblox.com/developers/Javascript",
   "main": "src/qbMain.js",
   "license": "(Apache-2.0)",
diff --git a/quickblox.js b/quickblox.js
index abe9cfeb..95820378 100644
--- a/quickblox.js
+++ b/quickblox.js
@@ -53555,8 +53555,8 @@ module.exports = StreamManagement;
  */
 
 var config = {
-  version: '2.15.3',
-  buildNumber: '1148',
+  version: '2.15.4',
+  buildNumber: '1149',
   creds: {
     'appId': 0,
     'authKey': '',
@@ -53709,7 +53709,7 @@ QuickBlox.prototype = {
      * @param {Object} configMap - Settings object for QuickBlox SDK.
      */
     init: function(appIdOrToken, authKeyOrAppId, authSecret, accountKey, configMap) {
-        console.log('current platform: ', Utils.getEnv());
+        Utils.QBLog('current platform:',Utils.getEnv());
         if (typeof accountKey === 'string' && accountKey.length) {
             if (configMap && typeof configMap === 'object') {
                 config.set(configMap);
@@ -54091,7 +54091,6 @@ ServiceProxy.prototype = {
         qbFetch(qbUrl, qbRequest)
             .then(function(response) {
                 qbResponse = response;
-                console.log('qbProxy fetch then 1');
                 if (qbRequest.method === 'GET' || qbRequest.method === 'POST'){
                     var qbTokenExpirationDate = qbResponse.headers.get('qb-token-expirationdate');
                     var headerHasToken  = !(qbTokenExpirationDate === null ||
@@ -54115,10 +54114,6 @@ ServiceProxy.prototype = {
 
                 return ' ';
             }).then(function(body) {
-            //console.log('HTTP status code: ', qbResponse.headers.status);
-            //console.log('HTTP response: ', qbResponse);
-            console.log('qbProxy fetch then 2');
-            console.log('HTTP body: ', qbResponse);
             _requestCallback(null, qbResponse, body);
         }, function(error) {
             _requestCallback(error);
diff --git a/src/qbConfig.js b/src/qbConfig.js
index 82dba2fc..061358a2 100644
--- a/src/qbConfig.js
+++ b/src/qbConfig.js
@@ -12,8 +12,8 @@
  */
 
 var config = {
-  version: '2.15.3',
-  buildNumber: '1149',
+  version: '2.15.4',
+  buildNumber: '1150',
   creds: {
     'appId': 0,
     'authKey': '',
diff --git a/src/qbMain.js b/src/qbMain.js
index d5c4e63d..e3e290f9 100644
--- a/src/qbMain.js
+++ b/src/qbMain.js
@@ -36,7 +36,7 @@ QuickBlox.prototype = {
      * @param {Object} configMap - Settings object for QuickBlox SDK.
      */
     init: function(appIdOrToken, authKeyOrAppId, authSecret, accountKey, configMap) {
-        console.log('current platform: ', Utils.getEnv());
+        Utils.QBLog('current platform:',Utils.getEnv());
         if (typeof accountKey === 'string' && accountKey.length) {
             if (configMap && typeof configMap === 'object') {
                 config.set(configMap);
diff --git a/src/qbProxy.js b/src/qbProxy.js
index d4aa0c19..4a5ea015 100644
--- a/src/qbProxy.js
+++ b/src/qbProxy.js
@@ -139,7 +139,6 @@ ServiceProxy.prototype = {
         qbFetch(qbUrl, qbRequest)
             .then(function(response) {
                 qbResponse = response;
-                console.log('qbProxy fetch then 1');
                 if (qbRequest.method === 'GET' || qbRequest.method === 'POST'){
                     var qbTokenExpirationDate = qbResponse.headers.get('qb-token-expirationdate');
                     var headerHasToken  = !(qbTokenExpirationDate === null ||
@@ -163,10 +162,6 @@ ServiceProxy.prototype = {
 
                 return ' ';
             }).then(function(body) {
-            //console.log('HTTP status code: ', qbResponse.headers.status);
-            //console.log('HTTP response: ', qbResponse);
-            console.log('qbProxy fetch then 2');
-            console.log('HTTP body: ', qbResponse);
             _requestCallback(null, qbResponse, body);
         }, function(error) {
             _requestCallback(error);