diff --git a/Octree.cabal b/Octree.cabal
--- a/Octree.cabal
+++ b/Octree.cabal
@@ -1,5 +1,5 @@
 name:                Octree
-version:             0.5.1
+version:             0.5.2
 stability:           beta
 homepage:            https://github.com/mgajda/octree
 package-url:         http://hackage.haskell.org/package/octree
@@ -24,7 +24,7 @@
   location: git@github.com:mgajda/octree.git
 
 Library
-   build-depends:    base>=4.0 && < 4.7, AC-Vector >= 2.3.0, QuickCheck >= 2.4.0
+   build-depends:    base>=4.0 && < 4.8, AC-Vector >= 2.3.0, QuickCheck >= 2.4.0
    exposed-modules:  Data.Octree
    other-modules:    Data.Octree.Internal, Data.Octree.Instances
    exposed:          True
diff --git a/README.lhs b/README.lhs
--- a/README.lhs
+++ b/README.lhs
@@ -1,4 +1,8 @@
+octree
+======
 This is a simple Octree implementation in Haskell.
+
+[![Build Status](https://api.travis-ci.org/mgajda/octree.png?branch=master)](https://api.travis-ci.org/mgajda/octree.png)
 
 To use simply:
 
diff --git a/tests/test_Octree.hs b/tests/test_Octree.hs
--- a/tests/test_Octree.hs
+++ b/tests/test_Octree.hs
@@ -3,7 +3,7 @@
 
 import Data.Octree.Internal
 import Data.Octree.Instances()
---import Data.Octree() -- test that interface module is not broken
+import Data.Octree() -- test that interface module is not broken
 import Prelude hiding(lookup)
 import Data.List(sort, sortBy)