diff --git a/cassy.cabal b/cassy.cabal
--- a/cassy.cabal
+++ b/cassy.cabal
@@ -1,5 +1,5 @@
 Name:                cassy
-Version:             0.2.0.2
+Version:             0.2.0.3
 Synopsis:            A high level driver for the Cassandra datastore
 License:             BSD3
 License-file:        LICENSE
@@ -71,6 +71,7 @@
 
   Extensions:
       TypeSynonymInstances
+      FlexibleInstances
   
   -- Modules not exported by this package.
   -- Other-modules:       
diff --git a/src/Database/Cassandra/JSON.hs b/src/Database/Cassandra/JSON.hs
--- a/src/Database/Cassandra/JSON.hs
+++ b/src/Database/Cassandra/JSON.hs
@@ -3,6 +3,7 @@
              OverloadedStrings,
              TypeSynonymInstances, 
              ScopedTypeVariables,
+             FlexibleInstances,
              RecordWildCards #-}
 
 {-|