diff --git a/lib/passive_record/version.rb b/lib/passive_record/version.rb
index <HASH>..<HASH> 100644
--- a/lib/passive_record/version.rb
+++ b/lib/passive_record/version.rb
@@ -1,4 +1,4 @@
 module PassiveRecord
   # passive_record version
-  VERSION = "0.3.22"
+  VERSION = "0.4.0"
 end
version bump to minor version <I>

  - compatibility with ruby <I>