diff --git a/Network/Wai/Handler/WebSockets.hs b/Network/Wai/Handler/WebSockets.hs
--- a/Network/Wai/Handler/WebSockets.hs
+++ b/Network/Wai/Handler/WebSockets.hs
@@ -22,7 +22,7 @@
 -- | For use with 'settingsIntercept' from the Warp web server.
 intercept :: WS.ServerApp
           -> Wai.Request
-          -> Maybe (Source (ResourceT IO) ByteString -> Warp.Connection -> ResourceT IO ())
+          -> Maybe (Source IO ByteString -> Warp.Connection -> IO ())
 intercept = interceptWith WS.defaultConnectionOptions
 
 --------------------------------------------------------------------------------
@@ -30,7 +30,7 @@
 interceptWith :: WS.ConnectionOptions
               -> WS.ServerApp
               -> Wai.Request
-              -> Maybe (Source (ResourceT IO) ByteString -> Warp.Connection -> ResourceT IO ())
+              -> Maybe (Source IO ByteString -> Warp.Connection -> IO ())
 interceptWith opts app req = case lookup "upgrade" (Wai.requestHeaders req) of
     Just s
         | BC.map toLower s == "websocket" -> Just $ runWebSockets opts req' app
@@ -44,9 +44,9 @@
 runWebSockets :: WS.ConnectionOptions
               -> WS.RequestHead
               -> WS.ServerApp
-              -> Source (ResourceT IO) ByteString
+              -> Source IO ByteString
               -> Warp.Connection
-              -> ResourceT IO ()
+              -> IO ()
 runWebSockets opts req app _ conn = do
 
     (is, os) <- liftIO $ connectionToStreams conn
diff --git a/wai-websockets.cabal b/wai-websockets.cabal
--- a/wai-websockets.cabal
+++ b/wai-websockets.cabal
@@ -1,5 +1,5 @@
 Name:                wai-websockets
-Version:             1.3.2.1
+Version:             2.0.0
 Synopsis:            Provide a bridge betweeen WAI and the websockets package.
 License:             MIT
 License-file:        LICENSE
@@ -20,13 +20,13 @@
   Build-Depends:     base               >= 3        && < 5
                    , bytestring         >= 0.9.1.4
                    , conduit            >= 0.5      && < 1.1
-                   , wai                >= 1.3      && < 1.5
+                   , wai                >= 2.0      && < 2.1
                    , blaze-builder      >= 0.2.1.4  && < 0.4
                    , case-insensitive   >= 0.2
                    , network            >= 2.2.1.5
                    , transformers       >= 0.2      && < 0.4
                    , websockets         >= 0.8
-                   , warp               >= 1.3      && < 1.4
+                   , warp               >= 2.0      && < 2.1
                    , io-streams         >= 1.1      && < 1.2
   Exposed-modules:   Network.Wai.Handler.WebSockets
   ghc-options:       -Wall