diff --git a/ext/pathname/lib/pathname.rb b/ext/pathname/lib/pathname.rb
index 2deda00ff2..35fd778561 100644
--- a/ext/pathname/lib/pathname.rb
+++ b/ext/pathname/lib/pathname.rb
@@ -14,7 +14,7 @@ require 'pathname.so'
 
 class Pathname
 
-  VERSION = "0.3.0"
+  VERSION = "0.4.0"
 
   # :stopdoc: