diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f40d1f4..fa78115 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,6 +14,14 @@ on:
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
+  check_version_files:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: check version
+        run: |
+          $GITHUB_WORKSPACE/travis/version.py --check
 
   prepare_example_json:
     runs-on: ubuntu-latest
@@ -147,6 +155,7 @@ jobs:
 
       - name: copy code
         run: |
+          mkdir -p $HOME/Arduino/libraries/
           cp -r $GITHUB_WORKSPACE $HOME/Arduino/libraries/arduinoWebSockets
       
       - name: config IDE
@@ -158,6 +167,7 @@ jobs:
           arduino --pref update.check=false
 
       - name: build example
+        timeout-minutes: 20
         run: |
           export DISPLAY=:1.0
           export PATH="$HOME/arduino_ide:$PATH"
@@ -166,7 +176,7 @@ jobs:
           build_sketch arduino $SKETCH
 
   done:
-    needs: [prepare_ide, prepare_example_json, build]
+    needs: [prepare_ide, prepare_example_json, build, check_version_files]
     runs-on: ubuntu-latest
     steps:
       - name: Done
diff --git a/library.json b/library.json
index fbf044f..9944b75 100644
--- a/library.json
+++ b/library.json
@@ -1,25 +1,25 @@
 {
-    "name": "WebSockets",
-    "description": "WebSocket Server and Client for Arduino based on RFC6455",
-    "keywords": "wifi, http, web, server, client, websocket",
     "authors": [
         {
+            "maintainer": true,
             "name": "Markus Sattler",
-            "url": "https://github.com/Links2004",
-            "maintainer": true
+            "url": "https://github.com/Links2004"
         }
     ],
-    "repository": {
-        "type": "git",
-        "url": "https://github.com/Links2004/arduinoWebSockets.git"
-    },
-    "version": "2.3.2",
-    "license": "LGPL-2.1",
+    "description": "WebSocket Server and Client for Arduino based on RFC6455",
     "export": {
         "exclude": [
             "tests"
         ]
     },
     "frameworks": "arduino",
-    "platforms": "atmelavr, espressif8266, espressif32"
-}
+    "keywords": "wifi, http, web, server, client, websocket",
+    "license": "LGPL-2.1",
+    "name": "WebSockets",
+    "platforms": "atmelavr, espressif8266, espressif32",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/Links2004/arduinoWebSockets.git"
+    },
+    "version": "2.3.2"
+}
\ No newline at end of file
diff --git a/src/WebSockets.h b/src/WebSockets.h
index aded4bb..b182bd5 100644
--- a/src/WebSockets.h
+++ b/src/WebSockets.h
@@ -40,6 +40,8 @@
 #include <functional>
 #endif
 
+#include "WebSocketsVersion.h"
+
 #ifndef NODEBUG_WEBSOCKETS
 #ifdef DEBUG_ESP_PORT
 #define DEBUG_WEBSOCKETS(...)               \
diff --git a/src/WebSocketsVersion.h b/src/WebSocketsVersion.h
new file mode 100644
index 0000000..2d8968b
--- /dev/null
+++ b/src/WebSocketsVersion.h
@@ -0,0 +1,36 @@
+/**
+ * @file WebSocketsVersion.h
+ * @date 07.01.2021
+ * @author Markus Sattler
+ * 
+ * Copyright (c) 2015 Markus Sattler. All rights reserved.
+ * This file is part of the WebSockets for Arduino.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifndef WEBSOCKETSVERSION_H_
+#define WEBSOCKETSVERSION_H_
+
+#define WEBSOCKETS_VERSION "2.3.2"
+
+#define WEBSOCKETS_VERSION_MAJOR 2
+#define WEBSOCKETS_VERSION_MINOR 3
+#define WEBSOCKETS_VERSION_PATCH 2
+
+#define WEBSOCKETS_VERSION_INT 2003002
+
+#endif /* WEBSOCKETSVERSION_H_ */
diff --git a/travis/version.py b/travis/version.py
new file mode 100755
index 0000000..be1359f
--- /dev/null
+++ b/travis/version.py
@@ -0,0 +1,81 @@
+#!/usr/bin/python3
+
+import json
+import configparser
+import argparse
+import re
+import os
+
+travis_dir = os.path.dirname(os.path.abspath(__file__))
+base_dir = os.path.abspath(travis_dir + "/../")
+
+def get_library_properties_version():
+    library_properties = {}
+    with open(f'{base_dir}/library.properties', 'r') as f:
+        library_properties = configparser.ConfigParser()
+        library_properties.read_string('[root]\n' + f.read())
+    return library_properties['root']['version']
+
+def get_library_json_version():
+    library_json = {}
+    with open(f'{base_dir}/library.json', 'r') as f:
+        library_json = json.load(f)
+    return library_json['version']
+
+def get_header_versions():
+    data = {}
+    define = re.compile('^#define WEBSOCKETS_VERSION_?(.*) "?([0-9\.]*)"?$')
+    with open(f'{base_dir}/src/WebSocketsVersion.h', 'r') as f:
+        for line in f:
+            m = define.match(line)
+            if m:
+                name = m[1]
+                if name == "":
+                    name = "VERSION"                   
+                data[name] = m[2]               
+    return data
+
+
+parser = argparse.ArgumentParser(description='Checks and update Version files')
+parser.add_argument(
+    '--update', action=argparse.BooleanOptionalAction, default=False)
+parser.add_argument(
+    '--check', action=argparse.BooleanOptionalAction, default=True)
+
+args = parser.parse_args()
+
+if args.update:
+    library_properties_version = get_library_properties_version()
+        
+    with open(f'{base_dir}/library.json', 'r') as f:
+        library_json = json.load(f)
+
+    library_json['version'] = library_properties_version
+
+    with open(f'{base_dir}/library.json', 'w') as f:
+        json.dump(library_json, f, indent=4, sort_keys=True)
+
+
+library_json_version = get_library_json_version()
+library_properties_version = get_library_properties_version()
+header_version = get_header_versions()
+
+print("WebSocketsVersion.h", header_version)
+print(f"library.json: {library_json_version}")
+print(f"library.properties: {library_properties_version}")
+
+if args.check:
+    if library_json_version != library_properties_version or header_version['VERSION'] != library_properties_version:
+        raise Exception('versions did not match!')
+
+    hvs = header_version['VERSION'].split('.')
+    if header_version['MAJOR'] != hvs[0]:
+        raise Exception('header MAJOR version wrong!')
+    if header_version['MINOR'] != hvs[1]:
+        raise Exception('header MINOR version wrong!')
+    if header_version['PATCH'] != hvs[2]:
+        raise Exception('header PATCH version wrong!')
+
+    intversion =  int(hvs[0]) * 1000000 + int(hvs[1]) * 1000 + int(hvs[2])
+    if int(header_version['INT']) != intversion:
+        raise Exception('header INT version wrong!')
\ No newline at end of file