diff --git a/webkitgtk3-javascriptcore.cabal b/webkitgtk3-javascriptcore.cabal
--- a/webkitgtk3-javascriptcore.cabal
+++ b/webkitgtk3-javascriptcore.cabal
@@ -1,5 +1,5 @@
 Name:		webkitgtk3-javascriptcore
-Version:	0.13.0.0
+Version:	0.13.0.1
 Synopsis:       JavaScriptCore FFI from webkitgtk
 Description: 	FFI for JavaScriptCore module from webkitgtk
 License: 	BSD3
@@ -7,7 +7,7 @@
 Author:		Ian-Woo Kim
 Maintainer: 	Ian-Woo Kim <ianwookim@gmail.com>
 Build-Type:     Custom
-Cabal-Version:  >= 1.8
+Cabal-Version:  >= 1.18
 Extra-Source-Files: hsjscore.h
                     SetupWrapper.hs SetupMain.hs Gtk2HsSetup.hs
                     marshal.list
@@ -44,7 +44,8 @@
         other-modules:
 
 		
-        extensions:     ForeignFunctionInterface
+        default-language:   Haskell98
+        default-extensions: ForeignFunctionInterface
 
         x-Signals-File:  src/Graphics/UI/Gtk/WebKit/JavaScriptCore/Signals.chs
         x-Signals-Modname: src/Graphics.UI.Gtk.WebKit.JavaScriptCore.Signals