1 files changed, 5 insertions, 1 deletions
diff --git a/lib/webrick/httpstatus.rb b/lib/webrick/httpstatus.rb
index 9eee38a40f..5d364e598a 100644
--- a/lib/webrick/httpstatus.rb
+++ b/lib/webrick/httpstatus.rb
@@ -88,12 +88,16 @@ module WEBrick
       415 => 'Unsupported Media Type',
       416 => 'Request Range Not Satisfiable',
       417 => 'Expectation Failed',
+      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',
+      511 => 'Network Authentication Required',
     }
 
     # Maps a status code to the corresponding Status class