diff --git a/Network/DNS/Resolver.hs b/Network/DNS/Resolver.hs
--- a/Network/DNS/Resolver.hs
+++ b/Network/DNS/Resolver.hs
@@ -28,7 +28,6 @@
 import Network.DNS.Internal
 import Network.Socket (HostName, Socket, SocketType(Datagram), sClose, socket, connect)
 import Network.Socket (AddrInfoFlag(..), AddrInfo(..), defaultHints, getAddrInfo)
-import Network.Socket.ByteString.Lazy (sendAll)
 import Prelude hiding (lookup)
 import System.Random (getStdRandom, randomR)
 import System.Timeout (timeout)
@@ -37,6 +36,8 @@
 import Network.Socket (send)
 import qualified Data.ByteString.Lazy.Char8 as LB
 import Control.Monad (when)
+#else
+import Network.Socket.ByteString.Lazy (sendAll)
 #endif
 
 ----------------------------------------------------------------
diff --git a/dns.cabal b/dns.cabal
--- a/dns.cabal
+++ b/dns.cabal
@@ -1,5 +1,5 @@
 Name:                   dns
-Version:                1.2.1
+Version:                1.2.2
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3