diff --git a/circle-packing.cabal b/circle-packing.cabal
--- a/circle-packing.cabal
+++ b/circle-packing.cabal
@@ -1,5 +1,5 @@
 name:                circle-packing
-version:             0.1.0.5
+version:             0.1.0.6
 synopsis:            Simple heuristic for packing discs of varying radii in a circle
 description:         Given a number of circles with their radii, this packags
                      tries to arrange them tightly, without overlap and forming a
@@ -44,9 +44,7 @@
 
 library
   exposed-modules:   Optimisation.CirclePacking
-  build-depends:     base == 4.2.* || == 4.3.* || == 4.4.* ||
-                          == 4.5.* || == 4.6.* || == 4.7.* ||
-                          == 4.8.* || == 4.9.*
+  build-depends:     base >= 4.2 && < 4.11
   ghc-options:       -Wall
 
 source-repository head
