diff --git a/include/QHttpEngine/qhttpsocket.h b/include/QHttpEngine/qhttpsocket.h
index 406dec5..a8d1d0f 100644
--- a/include/QHttpEngine/qhttpsocket.h
+++ b/include/QHttpEngine/qhttpsocket.h
@@ -139,6 +139,10 @@ public:
     enum {
         /// Request was successful
         OK = 200,
+        /// Request was successful and a resource was created
+        Created = 201,
+        /// Request was accepted for processing, not completed yet.
+        Accepted = 202,
         /// Range request was successful
         PartialContent = 206,
         /// Resource has moved permanently
@@ -155,8 +159,16 @@ public:
         NotFound = 404,
         /// Method is not valid for the resource
         MethodNotAllowed = 405,
+        /// The request could not be completed due to a conflict with the current state of the resource
+        Conflict = 409,
         /// An internal server error occurred
-        InternalServerError = 500
+        InternalServerError = 500,
+        /// Invalid response from server while acting as a gateway
+        BadGateway = 502,
+        /// Server unable to handle request due to overload
+        ServiceUnavailable = 503,
+        /// Server does not supports the HTTP version in the request
+        HttpVersionNotSupported = 505
     };
 
     /**
diff --git a/src/qhttpsocket.cpp b/src/qhttpsocket.cpp
index ae26ba9..19780dd 100644
--- a/src/qhttpsocket.cpp
+++ b/src/qhttpsocket.cpp
@@ -75,6 +75,8 @@ QByteArray QHttpSocketPrivate::statusReason(int statusCode) const
 {
     switch (statusCode) {
     case QHttpSocket::OK: return "OK";
+    case QHttpSocket::Created: return "CREATED";
+    case QHttpSocket::Accepted: return "ACCEPTED";
     case QHttpSocket::PartialContent: return "PARTIAL CONTENT";
     case QHttpSocket::MovedPermanently: return "MOVED PERMANENTLY";
     case QHttpSocket::Found: return "FOUND";
@@ -83,7 +85,11 @@ QByteArray QHttpSocketPrivate::statusReason(int statusCode) const
     case QHttpSocket::Forbidden: return "FORBIDDEN";
     case QHttpSocket::NotFound: return "NOT FOUND";
     case QHttpSocket::MethodNotAllowed: return "METHOD NOT ALLOWED";
+    case QHttpSocket::Conflict: return "CONFLICT";
+    case QHttpSocket::BadGateway: return "BAD GATEWAY";
+    case QHttpSocket::ServiceUnavailable: return "SERVICE UNAVAILABLE";
     case QHttpSocket::InternalServerError: return "INTERNAL SERVER ERROR";
+    case QHttpSocket::HttpVersionNotSupported: return "HTTP VERSION NOT SUPPORTED";
     default: return "UNKNOWN ERROR";
     }
 }