diff --git a/Network/CommandList.hs b/Network/CommandList.hs
--- a/Network/CommandList.hs
+++ b/Network/CommandList.hs
@@ -40,7 +40,7 @@
 import System.Posix.Temp    (mkstemp)
 import Data.Maybe           (fromJust)
 import Data.List            (isPrefixOf)
-import Control.Exception    (catchJust, ioErrors, ioError, bracketOnError)
+import Control.OldException    (catchJust, ioErrors, ioError, bracketOnError)
 
 import System.Console.Readline
 
@@ -144,8 +144,7 @@
 moveFileFTP _ _          = error "moveFileFTP: args incorrect"
 
 copyFileFTP :: Action
-copyFileFTP h [src, dst] = getbinary h src >>= flush >>= putbinary h dst . fst >> return True
-  where flush s@(c,_) = putStr (take (length c - length c) "dummy") >> return s
+copyFileFTP h [src, dst] = getbinary h src >>= putbinary h dst . fst >> return True
 copyFileFTP _ _ = error "Usage: cp src dist"
 
 editBy :: (String -> IO String) -> Action
diff --git a/Network/Yjftp.hs b/Network/Yjftp.hs
--- a/Network/Yjftp.hs
+++ b/Network/Yjftp.hs
@@ -14,7 +14,7 @@
 import System.Posix.IO      (stdOutput)
 import System.Posix.Terminal(getTerminalAttributes, setTerminalAttributes, withoutMode,
                              TerminalState(Immediately), TerminalMode(EnableEcho))
-import Control.Exception    (catch, Exception)
+import Control.OldException    (catch, Exception)
 import Control.Monad        (when, unless)
 import Control.Applicative  ((<$>))
 import Prelude hiding       (catch)
diff --git a/yjftp.cabal b/yjftp.cabal
--- a/yjftp.cabal
+++ b/yjftp.cabal
@@ -1,5 +1,5 @@
 Name:		yjftp
-Version:	0.3.3
+Version:	0.3.4
 License:	GPL
 License-file:	LICENSE
 Author:		Yoshikuni Jujo
@@ -22,10 +22,11 @@
 		And you can put or get immediately by doing following.
 		.
 		> yjftp put filepath srvr.address/directorypath [user_name] [-p password]
+		.
 		> yjftp get srvr.address/filepath [user_name] [-p password]
 Stability:	experimental
 Homepage:	http://homepage3.nifty.com/salamander/second/projects/yjftp/index.xhtml
-Package-Url:	http://homepage3.nifty.com/salamander/second/portage/distfiles/yjftp-0.3.2.tar.gz
+Package-Url:	http://homepage3.nifty.com/salamander/second/portage/distfiles/yjftp-0.3.4.tar.gz
 Cabal-Version:	>= 1.2
 Build-Type:	Simple
 Tested-With:	GHC
@@ -35,7 +36,7 @@
 
 Library
   GHC-Options:		-Wall
-  Build-Depends:	base, unix, directory, process, ftphs, readline
+  Build-Depends:	base >= 4 && <= 4.1.0.0, unix, directory, process, ftphs, readline
   Exposed-Modules:	Network.Yjftp
   Other-Modules:	Network.CommandList