diff --git a/SetupWrapper.hs b/SetupWrapper.hs
--- a/SetupWrapper.hs
+++ b/SetupWrapper.hs
@@ -18,7 +18,7 @@
 
 import System.Environment
 import System.Process
-import System.Exit
+import System.Exit (ExitCode(..), exitWith)
 import System.FilePath
 import System.Directory
 import qualified Control.Exception as Exception
diff --git a/cairo.cabal b/cairo.cabal
--- a/cairo.cabal
+++ b/cairo.cabal
@@ -1,5 +1,5 @@
 Name:           cairo
-Version:        0.13.0.6
+Version:        0.13.1.0
 License:        BSD3
 License-file:   COPYRIGHT
 Copyright:      (c) 2001-2010 The Gtk2Hs Team, (c) Paolo Martini 2005, (c) Abraham Egnor 2003, 2004, (c) Aetion Technologies LLC 2004
@@ -46,7 +46,7 @@
   
 Library
         build-depends:  base >= 4 && < 5,
-                        utf8-string >= 0.2 && < 0.4,
+                        utf8-string >= 0.2 && < 1.1,
                         text >= 1.0.0.0 && < 1.3,
                         bytestring, mtl, array
         build-tools:    gtk2hsC2hs >= 0.13.12