diff --git a/README.md b/README.md
index c28e4a58..c1804116 100755
--- a/README.md
+++ b/README.md
@@ -1,6 +1,5 @@
 ![Logo](admin/habpanel.png)
 # ioBroker.habpanel
-=================
 
 ![Number of Installations](http://iobroker.live/badges/habpanel-installed.svg) ![Number of Installations](http://iobroker.live/badges/habpanel-stable.svg) [![NPM version](http://img.shields.io/npm/v/iobroker.habpanel.svg)](https://www.npmjs.com/package/iobroker.habpanel)
 [![Downloads](https://img.shields.io/npm/dm/iobroker.habpanel.svg)](https://www.npmjs.com/package/iobroker.habpanel)
@@ -47,6 +46,8 @@ This adapter cannot be installed directly from github. Only from npm.
 
 
 ## Changelog
+### 0.4.2 (2020-08-22)
+* (bluefox) The compatibility to socket.io 3.0.13 provided 
 
 ### 0.4.1 (2020-02-10)
 * (Apollon77) compatibility to web 3.0
@@ -84,3 +85,8 @@ This adapter cannot be installed directly from github. Only from npm.
 
 ### 0.1.6 (2017-05-15)
 * (bluefox) initial commit
+
+## License
+Copyright 2017-2020 bluefox <dogafox@gmail.com>
+
+Eclipse Public License
diff --git a/io-package.json b/io-package.json
index 8157231a..1d2fef60 100644
--- a/io-package.json
+++ b/io-package.json
@@ -1,8 +1,20 @@
 {
     "common": {
         "name": "habpanel",
-        "version": "0.4.1",
+        "version": "0.4.2",
         "news": {
+            "0.4.2": {
+                "en": "The compatibility to socket.io 3.0.13 provided ",
+                "de": "Die Kompatibilität zu socket.io 3.0.13 wird bereitgestellt",
+                "ru": "Обеспечена совместимость с socket.io 3.0.13",
+                "pt": "A compatibilidade com socket.io 3.0.13 fornecida",
+                "nl": "De compatibiliteit met socket.io 3.0.13 wordt geboden",
+                "fr": "La compatibilité avec socket.io 3.0.13 fournie",
+                "it": "La compatibilità con socket.io 3.0.13 fornita",
+                "es": "La compatibilidad con socket.io 3.0.13 proporcionada",
+                "pl": "Zapewniona kompatybilność z socket.io 3.0.13",
+                "zh-cn": "提供与socket.io 3.0.13的兼容性"
+            },
             "0.4.1": {
                 "en": "compatibility with Web >= 3.0.0 added",
                 "de": "Kompatibilität mit Web >= 3.0.0 hinzugefügt",
diff --git a/package.json b/package.json
index 24d7fd97..23a83074 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "iobroker.habpanel",
   "description": "Dashboard based on HABPanel",
-  "version": "0.4.1",
+  "version": "0.4.2",
   "author": {
     "name": "Yannick Schaus",
     "email": "habpanel@schaus.net"
@@ -70,7 +70,7 @@
   },
   "dependencies": {
     "bower": "^1.8.4",
-    "@iobroker/adapter-core": "^1.0.3"
+    "@iobroker/adapter-core": "^2.4.0"
   },
   "bugs": {
     "url": "https://github.com/iobroker-community-adapters/ioBroker.habpanel/issues"
diff --git a/src/vendor/conn.js b/src/vendor/conn.js
index 4fb7d623..175a367b 100644
--- a/src/vendor/conn.js
+++ b/src/vendor/conn.js
@@ -457,8 +457,8 @@ var servConn = {
     getVersion:       function (callback) {
         if (!this._checkConnection('getVersion', arguments)) return;
 
-        this._socket.emit('getVersion', function (version) {
-            if (callback) callback(version);
+        this._socket.emit('getVersion', function (error, version) {
+            callback && callback(version || error);
         });
     },
     subscribe:       function (idOrArray, callback) {
@@ -481,9 +481,8 @@ var servConn = {
             console.log('socket.io not initialized');
             return;
         }
-        this._socket.emit('getVersion', function (version) {
-            if (callback)
-                callback(version);
+        this._socket.emit('getVersion', function (error, version) {
+            callback && callback(version || error);
         });
     },
     readFile:         function (filename, callback, isRemote) {