diff --git a/Network/HTTP/Wget.hs b/Network/HTTP/Wget.hs
--- a/Network/HTTP/Wget.hs
+++ b/Network/HTTP/Wget.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE DeriveDataTypeable #-}
 ---------------------------------------------------------
 -- |
 -- Module        : Network.HTTP.Wget
@@ -20,13 +21,21 @@
 import System.IO
 import Numeric (showHex)
 import Data.List (intercalate)
+import Control.Monad.Trans
+import Control.Monad.Attempt.Class
+import Control.Exception
+import Data.Generics
 
+newtype WgetError = WgetError String
+    deriving (Show, Typeable)
+instance Exception WgetError
+
 -- | Get a response from the given URL with the given parameters.
-wget :: Monad m
+wget :: (MonadIO m, MonadAttempt m)
      => String -- ^ The URL.
      -> [(String, String)] -- ^ Get parameters.
      -> [(String, String)] -- ^ Post parameters. If empty, this will be a get request.
-     -> IO (m String) -- ^ The response body.
+     -> m String -- ^ The response body.
 wget url get post = do
     let getSepChar :: Char
         getSepChar = if '?' `elem` url then '&' else '?'
@@ -36,13 +45,14 @@
         post' = if null post
                     then []
                     else ["--post-data", urlEncodePairs post]
-    (Nothing, Just hout, Just herr, phandle) <- createProcess $ (proc "wget"
+    (Nothing, Just hout, Just herr, phandle) <- liftIO $
+        createProcess $ (proc "wget"
             ((url ++ get') : post' ++ ["-O", "-"])
         ) { std_out = CreatePipe, std_err = CreatePipe }
-    exitCode <- waitForProcess phandle
+    exitCode <- liftIO $ waitForProcess phandle
     case exitCode of
-        ExitSuccess -> hGetContents hout >>= return . return
-        _ -> hGetContents herr >>= return . fail
+        ExitSuccess -> liftIO $ hGetContents hout
+        _ -> liftIO (hGetContents herr) >>= failure . WgetError
 
 urlEncodePairs :: [(String, String)] -> String
 urlEncodePairs = intercalate "&" . map urlEncodePair
diff --git a/http-wget.cabal b/http-wget.cabal
--- a/http-wget.cabal
+++ b/http-wget.cabal
@@ -1,5 +1,5 @@
 name:            http-wget
-version:         0.0.0
+version:         0.2.0
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -17,6 +17,10 @@
 homepage:        http://github.com/snoyberg/http-wget/tree/master
 
 library
-    build-depends:   base, process
+    build-depends:   base >= 4 && < 5,
+                     process,
+                     attempt,
+                     transformers >= 0.1.4.0,
+                     syb
     exposed-modules: Network.HTTP.Wget
     ghc-options:     -Wall