diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -2,7 +2,7 @@
 		       Version 2, June 1991
 
  Copyright (C) 1989, 1991 Free Software Foundation, Inc.
-     59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+     51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 
diff --git a/Language/Brainfuck.hs b/Language/Brainfuck.hs
--- a/Language/Brainfuck.hs
+++ b/Language/Brainfuck.hs
@@ -17,7 +17,7 @@
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA -}
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1307  USA -}
 
 {-# LANGUAGE FlexibleContexts #-}
 module Language.Brainfuck where
@@ -29,6 +29,7 @@
 import Data.Char         ( ord, chr )
 import Data.List         ( groupBy )
 import Data.Maybe        ( catMaybes )
+import Control.Monad
 import Control.Monad.State
 
 {- | The complete BF language:
diff --git a/brainfuck.cabal b/brainfuck.cabal
--- a/brainfuck.cabal
+++ b/brainfuck.cabal
@@ -1,5 +1,5 @@
 name:                brainfuck
-version:             0.1.0.3
+version:             0.1.0.4
 license:             GPL
 license-file:        LICENSE
 author:              Jason Dagit <dagit@codersbase.com>
@@ -12,7 +12,7 @@
                      written in the pure, lazy, functional language Haskell.
 
 build-type:          Simple
-cabal-version:       >= 1.6
+cabal-version:       >= 1.10
 tested-with:         GHC==8.0.1
 
 source-repository head
@@ -21,11 +21,11 @@
 
 executable              bf
    main-is:             Main.hs
-   build-depends:       base>3 && <5, unix, array, mtl
+   default-language:    Haskell2010
+   build-depends:       base>3 && <5, unix, array, mtl, brainfuck
 
 library
    exposed-modules:     Language.Brainfuck, Language.Brainfuck.Examples
-
+   default-language:    Haskell2010
    build-depends:       base>3 && <5, array, mtl
-
    ghc-options:         -Wall