diff --git a/delaunay.cabal b/delaunay.cabal
--- a/delaunay.cabal
+++ b/delaunay.cabal
@@ -2,9 +2,9 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                delaunay
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Build a Delaunay triangulation of a set of points
--- description:         
+description:         Use '--ghc-options=-fllvm' for improved performance.
 homepage:            http://github.com/mruegenberg/Delaunay
 license:             BSD3
 license-file:        LICENSE
@@ -20,7 +20,7 @@
   -- other-modules:       
   ghc-options:       -Wall -O2 
                      -- -fllvm
-  build-depends:       base ==4.5.*
-                     , AC-Vector
-                     , unordered-containers
-                     , hashable
+  build-depends:       base >= 4 && <5
+                     , AC-Vector >= 2.2.0
+                     , unordered-containers >= 0.2.1.0
+                     , hashable >= 1.0.1.1