diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+2015-06-26 Rodrigo Setti <rodrigosetti@gmail.com>
+
+	* Fix to work with latest "messagepack", remove dependency on "text".
+
 2014-11-17 Rodrigo Setti <rodrigosetti@gmail.com>
 
 	* Ops: this dependency specification doesn't work
diff --git a/Network/MessagePack.hs b/Network/MessagePack.hs
--- a/Network/MessagePack.hs
+++ b/Network/MessagePack.hs
@@ -18,10 +18,10 @@
 import Data.Maybe
 import Data.Serialize.Get
 import Network.Simple.TCP
+import Data.ByteString.Char8 (pack, unpack)
 import qualified Data.ByteString as BS
 import qualified Data.Map as M
 import qualified Data.Serialize as S
-import qualified Data.Text as T
 
 type MsgId   = Int64
 type MsgType = Int64
@@ -41,7 +41,7 @@
 
 -- | Start the RPC server binding the socket using the given preferences, and
 --   using the RPC methods defined in the map of method name -> Method.
-runRPC :: M.Map T.Text Method -> HostPreference -> ServiceName -> IO ()
+runRPC :: M.Map String Method -> HostPreference -> ServiceName -> IO ()
 runRPC methods host service = 
     serve host service rpcServer
   where
@@ -62,7 +62,7 @@
                                 Partial partial' -> go partial'
                                 x                -> return x
 
-executeRPC :: M.Map T.Text Method -> Object -> IO Object
+executeRPC :: M.Map String Method -> Object -> IO Object
 executeRPC methods obj = 
    case getRPCData of
     Left err -> return $ errorResponse errorMsgId err
@@ -77,7 +77,7 @@
                             when (type_ /= reqMessage) $ Left $ "invalid RPC type: " ++ show type_
 
                             ObjectString methodName <- m .: "method"
-                            method <- getMethod methods methodName
+                            method <- getMethod methods $ unpack methodName
 
                             ObjectInt msgid <- m .: "msgid"
                             params          <- m .: "params"
@@ -85,7 +85,7 @@
         _              -> Left "invalid msgpack RPC request"
 
 errorResponse :: MsgId -> String -> Object
-errorResponse msgid err = response msgid (ObjectString $ T.pack err) ObjectNil
+errorResponse msgid err = response msgid (ObjectString $ pack err) ObjectNil
 
 resultResponse :: MsgId -> Object -> Object
 resultResponse msgid = response msgid ObjectNil
diff --git a/messagepack-rpc.cabal b/messagepack-rpc.cabal
--- a/messagepack-rpc.cabal
+++ b/messagepack-rpc.cabal
@@ -1,5 +1,5 @@
 name               : messagepack-rpc
-version            : 0.1.0.3
+version            : 0.2.0.0
 synopsis           : Message Pack RPC over TCP
 description        : Message Pack RPC over TCP
 homepage           : http://github.com/rodrigosetti/messagepack-rpc
@@ -26,8 +26,7 @@
                    , bytestring     == 0.10.*
                    , cereal         == 0.4.*
                    , containers     == 0.5.*
-                   , messagepack    >= 0.2.1
+                   , messagepack    == 0.4.*
                    , network-simple == 0.4.*
-                   , text           == 1.*
   default-language : Haskell2010