diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,10 @@
+# Version 0.4.0.2
+
+* Workaround `sendLazy` build issues in Windows 8 (see #13).
+
+* Bump upper bound on `network` dependency.
+
+
 # Version 0.4.0.1
 
 * Add `sendLazy` and `sendMany` to `Network.Simple.TCP`.
diff --git a/network-simple.cabal b/network-simple.cabal
--- a/network-simple.cabal
+++ b/network-simple.cabal
@@ -1,5 +1,5 @@
 name:                network-simple
-version:             0.4.0.1
+version:             0.4.0.2
 homepage:            https://github.com/k0001/network-simple
 bug-reports:         https://github.com/k0001/network-simple/issues
 license:             BSD3
@@ -34,7 +34,7 @@
   exposed-modules:   Network.Simple.TCP
   other-modules:     Network.Simple.Internal
   build-depends:     base         (>=4.5 && < 5)
-                   , network      (>=2.3 && <2.6)
+                   , network      (>=2.3 && <2.7)
                    , bytestring   (>=0.9.2.1 && <0.11)
                    , transformers (>=0.2 && <0.5)
                    -- Packages not in The Haskell Platform
diff --git a/src/Network/Simple/TCP.hs b/src/Network/Simple/TCP.hs
--- a/src/Network/Simple/TCP.hs
+++ b/src/Network/Simple/TCP.hs
@@ -322,7 +322,12 @@
 
 -- | Writes a lazy 'BSL.ByteString' to the socket.
 sendLazy :: MonadIO m => NS.Socket -> BSL.ByteString -> m ()
-sendLazy sock = \bs -> liftIO (NSBL.sendAll sock bs)
+#if !MIN_VERSION_network(2,7,0) && defined(mingw32_HOST_OS)
+sendLazy sock = \lbs -> sendMany sock (BSL.toChunks lbs) -- see #13.
+#else
+sendLazy sock = \lbs -> liftIO (NSBL.sendAll sock lbs)
+#endif
+
 {-# INLINABLE sendLazy #-}
 
 -- | Writes the given list of 'BS.ByteString's to the socket.