diff --git a/lib/safe_update/version.rb b/lib/safe_update/version.rb
index d5a9f78..a15c33a 100644
--- a/lib/safe_update/version.rb
+++ b/lib/safe_update/version.rb
@@ -1,3 +1,3 @@
 module SafeUpdate
-  VERSION = '0.3.3'
+  VERSION = '0.4.0'
 end