diff --git a/src/Ratchet/Component/WAMP/WAMPServerComponent.php b/src/Ratchet/Component/WAMP/WAMPServerComponent.php
index 4a4c6e3..d3f5dc1 100644
--- a/src/Ratchet/Component/WAMP/WAMPServerComponent.php
+++ b/src/Ratchet/Component/WAMP/WAMPServerComponent.php
@@ -87,7 +87,7 @@ class WAMPServerComponent implements WebSocketComponentInterface {
         };
 
         $welcome = new Welcome($conn);
-        $welcome->setWelcome($conn->WAMP->sessionId, 'Ratchet/0.1');
+        $welcome->setWelcome($conn->WAMP->sessionId, \Ratchet\Resource\VERSION);
         $this->_msg_buffer->enqueue($welcome);
 
         return $this->attachStack($this->_decorating->onOpen($conn));
diff --git a/src/Ratchet/Component/WebSocket/WebSocketComponent.php b/src/Ratchet/Component/WebSocket/WebSocketComponent.php
index a2267fd..51586bd 100644
--- a/src/Ratchet/Component/WebSocket/WebSocketComponent.php
+++ b/src/Ratchet/Component/WebSocket/WebSocketComponent.php
@@ -62,6 +62,7 @@ class WebSocketComponent implements MessageComponentInterface {
 
     /**
      * Do handshake, frame/unframe messages coming/going in stack
+     * {@inheritdoc}
      */
     public function onMessage(ConnectionInterface $from, $msg) {
         if (true !== $from->WebSocket->handshake) {
@@ -92,6 +93,7 @@ class WebSocketComponent implements MessageComponentInterface {
             if (count($agreed_protocols) > 0) {
                 $response->setHeader('Sec-WebSocket-Protocol', implode(',', $agreed_protocols));
             }
+            $response->setHeader('X-Powered-By', \Ratchet\Resource\VERSION);
             $header = (string)$response;
 
             $comp = $this->_factory->newComposite();
diff --git a/src/Ratchet/Resource/ConnectionInterface.php b/src/Ratchet/Resource/ConnectionInterface.php
index 93dd516..e754de8 100644
--- a/src/Ratchet/Resource/ConnectionInterface.php
+++ b/src/Ratchet/Resource/ConnectionInterface.php
@@ -1,5 +1,7 @@
 <?php
 namespace Ratchet\Resource;
 
+const VERSION = 'Ratchet/0.1';
+
 interface ConnectionInterface {
 }
\ No newline at end of file