diff --git a/bktrees.cabal b/bktrees.cabal
--- a/bktrees.cabal
+++ b/bktrees.cabal
@@ -1,5 +1,5 @@
 name:		bktrees
-version:	0.1.1
+version:	0.1.2
 license:	BSD3
 license-file:	LICENSE
 author:		Josef Svenningsson
@@ -12,7 +12,7 @@
 		approximate member search, allowing you to search for 
 		elements that are of a certain distance from the element 
 		you are searching for.
-build-depends:	base, containers
+build-depends:	base, containers, array
 exposed-modules:	Data.Set.BKTree
 extra-source-files: 	test/Test.hs
 extensions:	CPP