diff --git a/statistics-dirichlet.cabal b/statistics-dirichlet.cabal
--- a/statistics-dirichlet.cabal
+++ b/statistics-dirichlet.cabal
@@ -3,7 +3,7 @@
 Tested-With:         GHC
 Category:            Math
 Name:                statistics-dirichlet
-Version:             0.6.1
+Version:             0.6.2
 Stability:           experimental
 License:             BSD3
 License-File:        LICENSE
@@ -27,15 +27,15 @@
 
 Source-repository head
   type: darcs
-  location: http://patch-tag.com/r/felipe/statistics-dirichlet
+  location: https://github.com/meteficha/statistics-dirichlet
 
 Library
   Build-Depends:
       base                   == 4.*
-    , deepseq                == 1.3.*
-    , vector                 == 0.9.*
+    , deepseq                >= 1.3
+    , vector                 >= 0.9
     , nonlinear-optimization == 0.3.*
-    , hmatrix-special        == 0.2.*
+    , hmatrix-special        >= 0.2
 
   Ghc-Options: -Wall
   Extensions: BangPatterns, NamedFieldPuns, RecordWildCards, FlexibleContexts