diff --git a/lib/monoz/version.rb b/lib/monoz/version.rb
index cd3a1fb..c3d8206 100644
--- a/lib/monoz/version.rb
+++ b/lib/monoz/version.rb
@@ -1,3 +1,3 @@
 module Monoz
-  VERSION = "0.3.1"
+  VERSION = "0.4.0"
 end