diff --git a/System/GIO/Types.chs b/System/GIO/Types.chs
--- a/System/GIO/Types.chs
+++ b/System/GIO/Types.chs
@@ -183,7 +183,7 @@
 #else
 import Foreign.ForeignPtr (unsafeForeignPtrToPtr)
 #endif
-import Foreign.C.Types    (CULong(..), CUInt(..))
+import Foreign.C.Types    (CULong(..), CUInt(..), CULLong(..))
 import System.Glib.GType  (GType, typeInstanceIsA)
 import System.Glib.GObject
 
diff --git a/gio.cabal b/gio.cabal
--- a/gio.cabal
+++ b/gio.cabal
@@ -1,12 +1,12 @@
 Name:           gio
-Version:        0.13.0.0
+Version:        0.13.0.1
 License:        LGPL-2.1
 License-file:   COPYING
 Copyright:      (c) 2001-2010 The Gtk2Hs Team
 Author:         Peter Gavin, Andy Stewart
 Maintainer:     gtk2hs-users@lists.sourceforge.net
 Build-Type:     Custom
-Cabal-Version:  >= 1.8
+Cabal-Version:  >= 1.18
 Stability:      stable
 homepage:       http://projects.haskell.org/gtk2hs/
 bug-reports:    https://github.com/gtk2hs/gtk2hs/issues
@@ -76,9 +76,10 @@
         other-modules:
           System.GIO.Signals
 
-        extensions:     ForeignFunctionInterface
+        default-language:   Haskell98
+        default-extensions: ForeignFunctionInterface
 		
-        cpp-options:    -U__BLOCKS__
+        cpp-options:    -U__BLOCKS__ -Ubool
         x-Signals-File:  System/GIO/Signals.chs
         x-Signals-Modname: System.GIO.Signals
         x-Signals-Types: marshal.list