diff --git a/hoauth.cabal b/hoauth.cabal
--- a/hoauth.cabal
+++ b/hoauth.cabal
@@ -1,5 +1,5 @@
 name: hoauth
-version: 0.2.0
+version: 0.2.1
 category: Network,Protocol,OAuth
 license: BSD3
 license-file: LICENSE
@@ -19,16 +19,16 @@
 
 library
   build-depends: base<5
-                ,bytestring
-                ,binary
-                ,SHA
-                ,dataenc
-                ,utf8-string
-                ,time
-                ,old-locale
-                ,random
-                ,curl
-                ,mtl
+                ,bytestring>=0.9.1.5
+                ,binary>=0.5.0.2
+                ,SHA>=1.4.1.1
+                ,dataenc>=0.13.0.2
+                ,utf8-string>=0.3.4
+                ,time>=1.1.4
+                ,old-locale>=1.0.0.2
+                ,random>=1.0.0.2
+                ,curl>=1.3.5
+                ,mtl>=1.1.0.2
   exposed-modules: Network.OAuth.Http.Request
                   ,Network.OAuth.Http.Response
                   ,Network.OAuth.Http.HttpClient
diff --git a/src/main/haskell/Network/OAuth/Http/HttpClient.hs b/src/main/haskell/Network/OAuth/Http/HttpClient.hs
--- a/src/main/haskell/Network/OAuth/Http/HttpClient.hs
+++ b/src/main/haskell/Network/OAuth/Http/HttpClient.hs
@@ -36,7 +36,7 @@
 import Control.Monad.Trans
 import Network.OAuth.Http.Request
 import Network.OAuth.Http.Response
-import Data.Char (chr)
+import Data.Char (chr,ord)
 import qualified Data.ByteString.Lazy as B
 
 -- | The HttpClient type class.
@@ -54,7 +54,7 @@
                                         return $ RspHttp (respStatus rsp)
                                                          (respStatusLine rsp)
                                                          (fromList.respHeaders $ rsp)
-                                                         (respBody rsp)
+                                                         (B.pack.map (fromIntegral.ord).respBody $ rsp)
     where httpVersion = case (version req)
                         of Http10 -> HttpVersion10
                            Http11 -> HttpVersion11