diff --git a/lib/ostruct.rb b/lib/ostruct.rb
index ecfacd10fb..a40729bb5d 100644
--- a/lib/ostruct.rb
+++ b/lib/ostruct.rb
@@ -107,7 +107,7 @@
 # For all these reasons, consider not using OpenStruct at all.
 #
 class OpenStruct
-  VERSION = "0.4.0"
+  VERSION = "0.5.0"
 
   #
   # Creates a new OpenStruct object.  By default, the resulting OpenStruct