diff --git a/Data/Git/Loose.hs b/Data/Git/Loose.hs
--- a/Data/Git/Loose.hs
+++ b/Data/Git/Loose.hs
@@ -34,7 +34,7 @@
 
 import System.FilePath
 import System.Directory
-import System.Posix.Files
+import System.IO (openFile, hFileSize, IOMode(..))
 
 import qualified Data.ByteString.Char8 as BC
 import qualified Data.ByteString.Lazy as L
@@ -130,8 +130,8 @@
 -- | create a new blob on a temporary location and on success move it to
 -- the object store with its digest name.
 looseWriteBlobFromFile repoPath file = do
-	fsz <- fromIntegral . fileSize <$> getFileStatus file
-	let hdr = objectWriteHeader TypeBlob fsz
+	fsz <- openFile file ReadMode >>= hFileSize
+	let hdr = objectWriteHeader TypeBlob (fromIntegral fsz)
 	tmpPath <- objectTemporaryPath repoPath
 	flip onException (removeFile tmpPath) $ do
 		npath <- withFileWriter tmpPath $ \fw -> do
diff --git a/hit.cabal b/hit.cabal
--- a/hit.cabal
+++ b/hit.cabal
@@ -1,5 +1,5 @@
 Name:                hit
-Version:             0.2.1
+Version:             0.2.2
 Synopsis:            Git operations
 Description:         Provides low level git operations
 License:             BSD3
@@ -40,7 +40,6 @@
                    , zlib
                    , zlib-bindings >= 0.0.1
                    , bytedump
-                   , unix
   Exposed-modules:   Data.Git.Index
                      Data.Git.Pack
                      Data.Git.Object