diff --git a/Text/XML.hs b/Text/XML.hs
--- a/Text/XML.hs
+++ b/Text/XML.hs
@@ -81,6 +81,7 @@
     )
 import Data.Typeable (Typeable)
 import Data.Data (Data)
+import Control.DeepSeq(NFData(rnf))
 import Data.Text (Text)
 import qualified Text.XML.Stream.Parse as P
 import qualified Text.XML.Unresolved as D
@@ -125,6 +126,9 @@
     }
   deriving (Show, Eq, Typeable, Data)
 
+instance NFData Document where
+  rnf (Document a b c) = rnf a `seq` rnf b `seq` rnf c `seq` ()
+
 data Node
     = NodeElement Element
     | NodeInstruction Instruction
@@ -132,12 +136,21 @@
     | NodeComment Text
   deriving (Show, Eq, Ord, Typeable, Data)
 
+instance NFData Node where
+  rnf (NodeElement e) = rnf e `seq` ()
+  rnf (NodeInstruction i) = rnf i `seq` ()
+  rnf (NodeContent t) = rnf t `seq` ()
+  rnf (NodeComment t) = rnf t `seq` ()
+
 data Element = Element
     { elementName :: Name
     , elementAttributes :: Map.Map Name Text
     , elementNodes :: [Node]
     }
   deriving (Show, Eq, Ord, Typeable, Data)
+
+instance NFData Element where
+  rnf (Element a b c) = rnf a `seq` rnf b `seq` rnf c `seq` ()
 
 {-
 readFile :: FilePath -> ParseSettings -> IO (Either SomeException Document)
diff --git a/xml-conduit.cabal b/xml-conduit.cabal
--- a/xml-conduit.cabal
+++ b/xml-conduit.cabal
@@ -1,5 +1,5 @@
 name:            xml-conduit
-version:         1.1.0.5
+version:         1.1.0.6
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman <michaels@suite-sol.com>, Aristid Breitkreuz <aristidb@googlemail.com>
@@ -35,7 +35,7 @@
                    , bytestring                >= 0.9
                    , text                      >= 0.7      && < 0.12
                    , containers                >= 0.2
-                   , xml-types                 >= 0.3.3    && < 0.4
+                   , xml-types                 >= 0.3.4    && < 0.4
                    , attoparsec                >= 0.10
                    , blaze-builder             >= 0.2      && < 0.4
                    , transformers              >= 0.2      && < 0.4
@@ -45,6 +45,7 @@
                    , monad-control             >= 0.3      && < 0.4
                    , blaze-markup              >= 0.5
                    , blaze-html                >= 0.5
+                   , deepseq                   >= 1.1.0.0
     exposed-modules: Text.XML.Stream.Parse
                      Text.XML.Stream.Render
                      Text.XML.Unresolved