diff --git a/OpenId2/Discovery.hs b/OpenId2/Discovery.hs
--- a/OpenId2/Discovery.hs
+++ b/OpenId2/Discovery.hs
@@ -41,8 +41,7 @@
 import Control.Applicative ((<$>), (<*>))
 import Network.HTTP.Types (status200)
 import Control.Exception (throwIO)
-import Control.Monad.Trans.Resource (MonadResource)
-import Control.Monad.Trans.Control (MonadBaseControl)
+import Data.Conduit (MonadBaseControl, MonadResource)
 
 data Discovery = Discovery1 Text (Maybe Text)
                | Discovery2 Provider Identifier IdentType
diff --git a/Web/Authenticate/BrowserId.hs b/Web/Authenticate/BrowserId.hs
--- a/Web/Authenticate/BrowserId.hs
+++ b/Web/Authenticate/BrowserId.hs
@@ -12,8 +12,7 @@
 import qualified Data.HashMap.Lazy as Map
 import Data.Text.Encoding (encodeUtf8)
 import Control.Monad.IO.Class (liftIO)
-import Control.Monad.Trans.Control (MonadBaseControl)
-import Control.Monad.Trans.Resource (MonadResource)
+import Data.Conduit (MonadBaseControl, MonadResource)
 
 -- | Location of the Javascript file hosted by browserid.org
 browserIdJs :: Text
diff --git a/Web/Authenticate/OpenId.hs b/Web/Authenticate/OpenId.hs
--- a/Web/Authenticate/OpenId.hs
+++ b/Web/Authenticate/OpenId.hs
@@ -36,8 +36,7 @@
 import Blaze.ByteString.Builder (toByteString)
 import Network.HTTP.Types (renderQueryText)
 import Control.Exception (throwIO)
-import Control.Monad.Trans.Control (MonadBaseControl)
-import Control.Monad.Trans.Resource (MonadResource)
+import Data.Conduit (MonadBaseControl, MonadResource)
 
 getForwardUrl
     :: (MonadResource m, MonadBaseControl IO m)
diff --git a/Web/Authenticate/Rpxnow.hs b/Web/Authenticate/Rpxnow.hs
--- a/Web/Authenticate/Rpxnow.hs
+++ b/Web/Authenticate/Rpxnow.hs
@@ -38,8 +38,7 @@
 import qualified Data.HashMap.Lazy as Map
 import Control.Applicative ((<$>), (<*>))
 import Control.Exception (throwIO)
-import Control.Monad.Trans.Control (MonadBaseControl)
-import Control.Monad.Trans.Resource (MonadResource)
+import Data.Conduit (MonadBaseControl, MonadResource)
 
 -- | Information received from Rpxnow after a valid login.
 data Identifier = Identifier
diff --git a/authenticate.cabal b/authenticate.cabal
--- a/authenticate.cabal
+++ b/authenticate.cabal
@@ -1,5 +1,5 @@
 name:            authenticate
-version:         1.3.2.4
+version:         1.3.2.5
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman, Hiromi Ishii, Arash Rouhani
@@ -18,8 +18,8 @@
 library
     build-depends:   base                          >= 4        && < 5
                    , aeson                         >= 0.5
-                   , http-conduit                  >= 1.5      && < 1.9
-                   , tagsoup                       >= 0.12     && < 0.13
+                   , http-conduit                  >= 1.5
+                   , tagsoup                       >= 0.12
                    , transformers                  >= 0.1
                    , bytestring                    >= 0.9
                    , network
@@ -32,9 +32,6 @@
                    , containers
                    , unordered-containers
                    , conduit                       >= 0.5
-                   , resourcet                     >= 0.3
-                   , monad-control                 >= 0.3
-                   , blaze-builder-conduit         >= 0.5
     exposed-modules: Web.Authenticate.Rpxnow,
                      Web.Authenticate.OpenId,
                      Web.Authenticate.BrowserId,