diff --git a/Finance-Quote-Yahoo.cabal b/Finance-Quote-Yahoo.cabal
--- a/Finance-Quote-Yahoo.cabal
+++ b/Finance-Quote-Yahoo.cabal
@@ -1,5 +1,5 @@
 Name:                Finance-Quote-Yahoo
-Version:             0.5.0
+Version:             0.6.0
 Description:         Obtain quote data from finance.yahoo.com
 Synopsis:	     Obtain quote data from finance.yahoo.com
 Category:            Web
@@ -10,6 +10,7 @@
 Author:              brad clawsie
 Maintainer:          haskell@fastmail.fm
 cabal-version: 	     >=1.2
+build-type:          Simple
 Flag splitBase
   Description: Choose the new smaller, split-up base package.
 Library 
@@ -17,6 +18,5 @@
     Build-Depends: base >= 3,containers,old-locale
   else
     Build-Depends: base < 3
-  Build-Depends: network,HTTP,HTTP-Simple,time>=1.1.1
-  GHC-Options:         -O
+  Build-Depends: network,curl,time>=1.1.1
   Exposed-modules:     Finance.Quote.Yahoo
diff --git a/Finance/Quote/Yahoo.hs b/Finance/Quote/Yahoo.hs
--- a/Finance/Quote/Yahoo.hs
+++ b/Finance/Quote/Yahoo.hs
@@ -73,7 +73,8 @@
                             QuoteField,QuoteSymbol,QuoteValue,Quote,
                             QuoteCurrency,QuoteFrequency(..),
                             HistoricalQuote(..)) where
-import qualified Network.HTTP.Simple as H (httpGet) 
+import qualified Network.Curl as C (curlGetString)
+import qualified Network.Curl.Code as CC
 import qualified Network.URI as U (parseURI,escapeURIString,
                                    isUnescapedInURI) 
 import qualified Data.Time.Calendar as T (Day(..),fromGregorian)
@@ -100,7 +101,12 @@
 fetchCSV :: QuoteSymbol -> IO (Maybe String)
 fetchCSV s = case U.parseURI s of
                Nothing -> error("uri malformed:" ++ s)
-               Just uri -> H.httpGet uri
+               Just uri -> 
+                   do 
+                   tryCSV <- C.curlGetString s []
+                   case (fst tryCSV) of
+                     CC.CurlOK -> return (Just $ snd tryCSV)
+                     _ -> return (Nothing)
 
 -- | This is the base uri to get csv quotes. Exported. 
 baseQuoteURI = "http://download.finance.yahoo.com/d/quotes.csv" :: String
@@ -224,21 +230,21 @@
       makeHistoricalQuote l = 
           case (length l == 7) of
             False -> error("malformed line:" ++ (show l))
-            True -> let date' = makeDay (l!!0)
-                        open' = read (l!!1) :: QuoteCurrency
-                        high' = read (l!!2) :: QuoteCurrency
-                        low' = read (l!!3) :: QuoteCurrency
-                        close' = read (l!!4) :: QuoteCurrency
+            True -> let date'     = makeDay (l!!0)
+                        open'     = read (l!!1) :: QuoteCurrency
+                        high'     = read (l!!2) :: QuoteCurrency
+                        low'      = read (l!!3) :: QuoteCurrency
+                        close'    = read (l!!4) :: QuoteCurrency
                         adjclose' = read (l!!6) :: QuoteCurrency
-                        volume' = read (l!!5) :: Int                 
-                    in HistoricalQuote { symbol = symbol',
-                                         date = date',
-                                         open = open',
-                                         high = high',
-                                         low = low',
-                                         close = close',
+                        volume'   = read (l!!5) :: Int                 
+                    in HistoricalQuote { symbol   = symbol',
+                                         date     = date',
+                                         open     = open',
+                                         high     = high',
+                                         low      = low',
+                                         close    = close',
                                          adjclose = adjclose',
-                                         volume = volume' }
+                                         volume   = volume' }
           where
             -- Create a Day type from the str date from the csv.
             makeDay :: String -> T.Day
