diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Version 0.0.5.0 2018-01-18 by luispedro
+	* Deprecate safeSinkFile
+	* Add fake Windows support
+
 Version 0.0.4.0 2017-09-07 by luispedro
 	* Add atomicConduitUseFile
 
diff --git a/Data/Conduit/SafeWrite.hs b/Data/Conduit/SafeWrite.hs
--- a/Data/Conduit/SafeWrite.hs
+++ b/Data/Conduit/SafeWrite.hs
@@ -14,10 +14,12 @@
 
 import           System.IO.SafeWrite (allocateTempFile, finalizeTempFile)
 
--- | Write to file |finalname| using a temporary file and atomic move.
+-- | Write to file 'finalname' using a temporary file and atomic move.
 --
 -- The file is only written if the sink runs to completion without errors. Any
 -- form of early termination will cause the output to be removed.
+--
+-- This function is deprecated in favor of 'Data.Conduit.Binary.SinkFileCautious'
 safeSinkFile :: (MonadResource m) =>
                     FilePath -- ^ Final filename
                     -> C.Sink B.ByteString m ()
diff --git a/System/IO/SafeWrite.hs b/System/IO/SafeWrite.hs
--- a/System/IO/SafeWrite.hs
+++ b/System/IO/SafeWrite.hs
@@ -6,18 +6,22 @@
     ) where
 
 import           System.FilePath (takeDirectory, takeBaseName)
-import           System.Posix.IO (openFd, defaultFileFlags, closeFd, OpenMode(..))
-import           System.Posix.Unistd (fileSynchronise)
-import           Control.Exception (bracket, bracketOnError)
+import           Control.Monad.Catch (bracket, bracketOnError, MonadMask(..))
+import           Control.Monad.IO.Class (MonadIO(..))
 import           System.IO (Handle, hClose, openTempFile)
 import           System.Directory (renameFile, removeFile)
 
+#ifndef WINDOWS
+import           System.Posix.IO (openFd, defaultFileFlags, closeFd, OpenMode(..))
+import           System.Posix.Unistd (fileSynchronise)
+#endif
 
 -- | Sync a file to disk
 --
--- Only supported on Posix (patches with Windows support are welcome)
+-- On Windows, this is a fake function.
 syncFile :: FilePath -- ^ File to sync
             -> IO ()
+#ifndef WINDOWS
 syncFile fname = do
     bracket (openFd fname ReadWrite Nothing defaultFileFlags)
         closeFd
@@ -26,6 +30,9 @@
     bracket (openFd (takeDirectory fname) ReadOnly Nothing defaultFileFlags)
         closeFd
         fileSynchronise
+#else
+syncFile fname = return ()
+#endif
 
 -- | Variation of 'withFile' for output files.
 --
@@ -35,17 +42,17 @@
 -- raised, then the temporary output file will be deleted and not saved to
 -- disk. Thus, the result file will either contain the complete result or will
 -- be empty.
-withOutputFile ::
+withOutputFile :: (MonadMask m, MonadIO m) =>
             FilePath -- ^ Final desired file path
-            -> (Handle -> IO a) -- ^ action to execute
-            -> IO a
+            -> (Handle -> m a) -- ^ action to execute
+            -> m a
 withOutputFile finalname act =
     bracketOnError
-        (allocateTempFile finalname)
-        (finalizeTempFile finalname False)
+        (liftIO $ allocateTempFile finalname)
+        (liftIO . finalizeTempFile finalname False)
         (\tdata@(_, th) -> do
             r <- act th
-            finalizeTempFile finalname True tdata
+            liftIO $ finalizeTempFile finalname True tdata
             return r)
 
 allocateTempFile :: FilePath -> IO (FilePath, Handle)
diff --git a/safeio.cabal b/safeio.cabal
--- a/safeio.cabal
+++ b/safeio.cabal
@@ -1,56 +1,75 @@
-name:               safeio
-version:            0.0.4.0
-synopsis:           Write output to disk atomically
-description:        This package implements utilities to perform atomic output
-                    so as to avoid the problem of partial intermediate files.
-category:           IO
-author:             Luis Pedro Coelho
-maintainer:         Luis Pedro Coelho
-license:            MIT
-license-file:       COPYING
-cabal-version:      >= 1.10
-build-type:         Simple
-bug-reports:        https://github.com/luispedro/safeio/issues
-extra-source-files: README.md ChangeLog
+-- This file has been generated from package.yaml by hpack version 0.18.1.
+--
+-- see: https://github.com/sol/hpack
 
+name:           safeio
+version:        0.0.5.0
+synopsis:       Write output to disk atomically
+description:    This package implements utilities to perform atomic output so as to avoid the problem of partial intermediate files.
+category:       IO
+homepage:       https://github.com/luispedro/safeio#readme
+bug-reports:    https://github.com/luispedro/safeio/issues
+author:         Luis Pedro Coelho
+maintainer:     Luis Pedro Coelho
+license:        MIT
+license-file:   COPYING
+build-type:     Simple
+cabal-version:  >= 1.10
+
+extra-source-files:
+    ChangeLog
+    README.md
+
+source-repository head
+  type: git
+  location: https://github.com/luispedro/safeio
+
 library
-  default-language: Haskell2010
-  exposed-modules: System.IO.SafeWrite,
-                   Data.Conduit.SafeWrite
+  hs-source-dirs:
+      ./
+  default-extensions: BangPatterns OverloadedStrings CPP
   ghc-options: -Wall
   build-depends:
-    base > 4.8 && < 5,
-    bytestring,
-    conduit >= 1.0,
-    conduit-combinators,
-    directory,
-    filepath,
-    resourcet,
-    unix
-
-Test-Suite safeiotest
+      base > 4.8 && < 5
+    , bytestring
+    , conduit >= 1.0
+    , conduit-combinators
+    , directory
+    , exceptions
+    , filepath
+    , resourcet
+    , unix
+  if os(windows)
+    cpp-options: -DWINDOWS
+  exposed-modules:
+      System.IO.SafeWrite
+      Data.Conduit.SafeWrite
   default-language: Haskell2010
+
+test-suite safeiotest
   type: exitcode-stdio-1.0
   main-is: System/IO/SafeWrite/Tests.hs
-  other-modules:
-        System.IO.SafeWrite
-        Data.Conduit.SafeWrite
+  hs-source-dirs:
+      ./
+  default-extensions: BangPatterns OverloadedStrings CPP
   ghc-options: -Wall
-  hs-source-dirs: .
   build-depends:
-    base > 4.8 && < 5,
-    bytestring,
-    conduit >= 1.0,
-    conduit-combinators,
-    directory,
-    filepath,
-    resourcet,
-    unix,
-    HUnit,
-    test-framework,
-    test-framework-hunit,
-    test-framework-th
-
-source-repository head
-  type: git
-  location: https://github.com/luispedro/safeio
+      base > 4.8 && < 5
+    , bytestring
+    , conduit >= 1.0
+    , conduit-combinators
+    , directory
+    , exceptions
+    , filepath
+    , resourcet
+    , unix
+    , HUnit
+    , test-framework
+    , test-framework-hunit
+    , test-framework-th
+  if os(windows)
+    cpp-options: -DWINDOWS
+  other-modules:
+      Data.Conduit.SafeWrite
+      System.IO.SafeWrite
+  default-language: Haskell2010