diff --git a/Text/Hamlet/XMLParse.hs b/Text/Hamlet/XMLParse.hs
--- a/Text/Hamlet/XMLParse.hs
+++ b/Text/Hamlet/XMLParse.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE DeriveDataTypeable #-}
+{-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE CPP #-}
 module Text.Hamlet.XMLParse
     ( Result (..)
diff --git a/xml-hamlet.cabal b/xml-hamlet.cabal
--- a/xml-hamlet.cabal
+++ b/xml-hamlet.cabal
@@ -1,5 +1,5 @@
 Name:                xml-hamlet
-Version:             0.4.0.9
+Version:             0.4.0.10
 Synopsis:            Hamlet-style quasiquoter for XML content
 Homepage:            http://www.yesodweb.com/
 License:             BSD3