diff --git a/bv.cabal b/bv.cabal
--- a/bv.cabal
+++ b/bv.cabal
@@ -1,6 +1,6 @@
 
 Name:                bv
-Version:             0.2.0
+Version:             0.2.1
 Synopsis:            Bit-vectors library
 Description:         Bit-vectors implemented as a wrapper over integers.
 Homepage:            http://bitbucket.org/iago/bv-haskell
@@ -9,8 +9,7 @@
 License-file:        LICENSE
 Author:              Iago Abal <iago.abal@gmail.com>
 Maintainer:          Iago Abal <iago.abal@gmail.com>
-Copyright:           2012-2013, Iago Abal
-                     2012, University of Minho
+Copyright:           2012-2013 Iago Abal, HASLab & University of Minho
 Category:            Data, Bit Vectors
 Build-type:          Simple
 Cabal-version:       >=1.6
@@ -23,4 +22,4 @@
   Exposed-modules:     Data.BitVector
   -- Other-modules:
   ghc-options:         -Wall
-  Build-depends:       base >=4 && <5
+  Build-depends:       base >=4.4 && <5