diff --git a/flight/net/Response.php b/flight/net/Response.php
index 100c3a8..0276846 100644
--- a/flight/net/Response.php
+++ b/flight/net/Response.php
@@ -33,6 +33,10 @@ class Response {
      * @var array HTTP status codes
      */
     public static $codes = array(
+        100 => 'Continue',
+        101 => 'Switching Protocols',
+        102 => 'Processing',
+
         200 => 'OK',
         201 => 'Created',
         202 => 'Accepted',
@@ -40,6 +44,10 @@ class Response {
         204 => 'No Content',
         205 => 'Reset Content',
         206 => 'Partial Content',
+        207 => 'Multi-Status',
+        208 => 'Already Reported',
+
+        226 => 'IM Used',
 
         300 => 'Multiple Choices',
         301 => 'Moved Permanently',
@@ -47,10 +55,13 @@ class Response {
         303 => 'See Other',
         304 => 'Not Modified',
         305 => 'Use Proxy',
+        306 => '(Unused)',
         307 => 'Temporary Redirect',
+        308 => 'Permanent Redirect',
 
         400 => 'Bad Request',
         401 => 'Unauthorized',
+        402 => 'Payment Required',
         403 => 'Forbidden',
         404 => 'Not Found',
         405 => 'Method Not Allowed',
@@ -61,19 +72,35 @@ class Response {
         410 => 'Gone',
         411 => 'Length Required',
         412 => 'Precondition Failed',
-        413 => 'Request Entity Too Large',
-        414 => 'Request-URI Too Long',
+        413 => 'Payload Too Large',
+        414 => 'URI Too Long',
         415 => 'Unsupported Media Type',
-        416 => 'Requested Range Not Satisfiable',
+        416 => 'Range Not Satisfiable',
         417 => 'Expectation Failed',
-        418 => 'Permanent Redirect',
+
+        422 => 'Unprocessable Entity',
+        423 => 'Locked',
+        424 => 'Failed Dependency',
+
+        426 => 'Upgrade Required',
+
+        428 => 'Precondition Required',
+        429 => 'Too Many Requests',
+
+        431 => 'Request Header Fields Too Large',
 
         500 => 'Internal Server Error',
         501 => 'Not Implemented',
         502 => 'Bad Gateway',
         503 => 'Service Unavailable',
         504 => 'Gateway Timeout',
-        505 => 'HTTP Version Not Supported'
+        505 => 'HTTP Version Not Supported',
+        506 => 'Variant Also Negotiates',
+        507 => 'Insufficient Storage',
+        508 => 'Loop Detected',
+
+        510 => 'Not Extended',
+        511 => 'Network Authentication Required'
     );
 
     /**