diff --git a/Codec/Compression/BZip/Stream.hsc b/Codec/Compression/BZip/Stream.hsc
--- a/Codec/Compression/BZip/Stream.hsc
+++ b/Codec/Compression/BZip/Stream.hsc
@@ -59,7 +59,7 @@
          ( Word8, Ptr, nullPtr, plusPtr, peekByteOff, pokeByteOff, mallocBytes
          , ForeignPtr, FinalizerPtr, newForeignPtr_, addForeignPtrFinalizer
          , finalizeForeignPtr, withForeignPtr, touchForeignPtr )
-#if MIN_VERSION_base(4,4,0)
+#if __GLASGOW_HASKELL__ >= 702
 import Foreign.ForeignPtr.Unsafe ( unsafeForeignPtrToPtr )
 import System.IO.Unsafe          ( unsafePerformIO )
 #else
diff --git a/bzlib.cabal b/bzlib.cabal
--- a/bzlib.cabal
+++ b/bzlib.cabal
@@ -1,5 +1,5 @@
 name:            bzlib
-version:         0.5.0.2
+version:         0.5.0.3
 copyright:       (c) 2006-2011 Duncan Coutts
 license:         BSD3
 license-file:    LICENSE