diff --git a/lib/cgi.rb b/lib/cgi.rb
index 4cd6b3bd8e..faa00d0cae 100644
--- a/lib/cgi.rb
+++ b/lib/cgi.rb
@@ -288,7 +288,7 @@
 #
 
 class CGI
-  VERSION = "0.3.6"
+  VERSION = "0.4.0"
 end
 
 require 'cgi/core'