diff --git a/persistent-relational-record.cabal b/persistent-relational-record.cabal
index 5d9f6a9..6821752 100644
--- a/persistent-relational-record.cabal
+++ b/persistent-relational-record.cabal
@@ -1,5 +1,5 @@
 name:                persistent-relational-record
-version:             0.2.0
+version:             0.3.0
 synopsis:            relational-record on persisten backends.
 description:         Please see the README on Github at <https://github.com/himura/persistent-relational-record#readme>
 homepage:            http://github.com/himura/persistent-relational-record