diff --git a/Database/HaskellDB/HDBC.hs b/Database/HaskellDB/HDBC.hs
--- a/Database/HaskellDB/HDBC.hs
+++ b/Database/HaskellDB/HDBC.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE FlexibleContexts #-}
 -----------------------------------------------------------
 -- |
 -- Module      :  Database.HaskellDB.HDBC
diff --git a/haskelldb-hdbc.cabal b/haskelldb-hdbc.cabal
--- a/haskelldb-hdbc.cabal
+++ b/haskelldb-hdbc.cabal
@@ -1,5 +1,5 @@
 Name: haskelldb-hdbc
-Version: 2.2.2
+Version: 2.2.4
 Cabal-version: >= 1.6
 Build-type: Simple
 Copyright: The authors