diff --git a/Database/Groundhog/Postgresql/Array.hs b/Database/Groundhog/Postgresql/Array.hs
--- a/Database/Groundhog/Postgresql/Array.hs
+++ b/Database/Groundhog/Postgresql/Array.hs
@@ -24,6 +24,7 @@
   ) where
 
 import Database.Groundhog.Core
+import Database.Groundhog.Expression
 import Database.Groundhog.Generic
 import Database.Groundhog.Generic.Sql hiding (append)
 import Database.Groundhog.Postgresql hiding (append)
diff --git a/groundhog-postgresql.cabal b/groundhog-postgresql.cabal
--- a/groundhog-postgresql.cabal
+++ b/groundhog-postgresql.cabal
@@ -1,5 +1,5 @@
 name:            groundhog-postgresql
-version:         0.3.0
+version:         0.3.0.1
 license:         BSD3
 license-file:    LICENSE
 author:          Boris Lykah <lykahb@gmail.com>