diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,4 +1,11 @@
 **hsndfile** is a Haskell interface to Erik de Castro Lopo's [libsndfile][]. For more detailed information please visit [**hsndfile**'s homepage][hsndfile].
 
+### Authors
+
+Copyright (c) Stefan Kersten 2007-2012 with contributions by
+
+* Conrad Parker
+* Rohan Drape
+
 [libsndfile]: http://www.mega-nerd.com/libsndfile/
 [hsndfile]: http://haskell.org/haskellwiki/Hsndfile
diff --git a/Sound/File/Sndfile/Buffer/Internal.hs b/Sound/File/Sndfile/Buffer/Internal.hs
--- a/Sound/File/Sndfile/Buffer/Internal.hs
+++ b/Sound/File/Sndfile/Buffer/Internal.hs
@@ -15,7 +15,7 @@
 
 import Data.Word					(Word16, Word32)
 import Foreign.Ptr     				(Ptr)
-import Foreign.C.Types 				(CLLong)
+import Foreign.C.Types 				(CLLong(..))
 import Sound.File.Sndfile.Interface (Count, Handle(..), HandlePtr)
 
 type IOFunc a = HandlePtr -> Ptr a -> CLLong -> IO CLLong
diff --git a/hsndfile.cabal b/hsndfile.cabal
--- a/hsndfile.cabal
+++ b/hsndfile.cabal
@@ -1,12 +1,11 @@
 Name:                   hsndfile
-Version:                0.5.2
+Version:                0.5.3
 Category:               Data, Sound
-License:                LGPL-2
+License:                LGPL-2.1
 License-File:           COPYING
 Copyright:              Stefan Kersten, 2007-2010
 Author:                 Stefan Kersten
 Maintainer:             Stefan Kersten <sk@k-hornz.de>
-Stability:              Experimental
 Homepage:               http://haskell.org/haskellwiki/Hsndfile
 Bug-Reports:            https://github.com/kaoskorobase/hsndfile/issues
 Synopsis:               Haskell bindings for libsndfile