diff --git a/Language/Brainfuck.hs b/Language/Brainfuck.hs
--- a/Language/Brainfuck.hs
+++ b/Language/Brainfuck.hs
@@ -19,6 +19,7 @@
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA -}
 
+{-# LANGUAGE FlexibleContexts #-}
 module Language.Brainfuck where
 
 import Data.Array.IO
diff --git a/brainfuck.cabal b/brainfuck.cabal
--- a/brainfuck.cabal
+++ b/brainfuck.cabal
@@ -1,10 +1,9 @@
 name:                brainfuck
-version:             0.1
-
+version:             0.1.0.1
 license:             GPL
 license-file:        LICENSE
 author:              Jason Dagit <dagit@codersbase.com>
--- maintainer:          Cale
+maintainer:          Nikolay Amiantov <ab@fmap.me>
 
 stability:           Stable
 category:            Compilers/Interpreters
@@ -14,7 +13,7 @@
 
 build-type:          Simple
 Cabal-Version:       >= 1.2
-tested-with:         GHC==6.8.2
+tested-with:         GHC==7.10.1
 
 executable              bf
    main-is:             Main.hs
@@ -23,7 +22,7 @@
 library
    exposed-modules:     Language.Brainfuck, Language.Brainfuck.Examples
 
-   build-depends:       base, array, mtl
+   build-depends:       base <4.9, array, mtl
 
    ghc-options:         -Wall
    ghc-prof-options:    -prof -auto-all