diff --git a/som.cabal b/som.cabal
--- a/som.cabal
+++ b/som.cabal
@@ -1,5 +1,5 @@
 Name:              som
-Version:           8.0.0
+Version:           8.0.1
 Stability:         experimental
 Synopsis:          Self-Organising Maps.
 Description:       A Kohonen Self-organising Map (SOM) maps input patterns 
@@ -33,12 +33,12 @@
 source-repository this
   type:     git
   location: https://github.com/mhwombat/som.git
-  tag:      8.0.0
+  tag:      8.0.1
 
 
 library
   hs-source-dirs:  src
-  build-depends:   base ==4.*,
+  build-depends:   base ==4.* && >=4.8,
                    containers ==0.5.*,
                    grid ==7.* && >=7.7,
                    MonadRandom ==0.3.*
@@ -54,7 +54,7 @@
 
 test-suite som-tests
   type:            exitcode-stdio-1.0
-  build-depends:   base ==4.*,
+  build-depends:   base ==4.* && >=4.8,
                    test-framework-quickcheck2 == 0.3.*,
                    QuickCheck ==2.7.*,
                    test-framework ==0.8.*,
diff --git a/test/Data/Datamining/Clustering/DSOMQC.hs b/test/Data/Datamining/Clustering/DSOMQC.hs
--- a/test/Data/Datamining/Clustering/DSOMQC.hs
+++ b/test/Data/Datamining/Clustering/DSOMQC.hs
@@ -26,7 +26,6 @@
   numModels, train, trainBatch)
 import Data.Datamining.Clustering.DSOMInternal
 
-import Control.Applicative ((<$>), (<*>))
 import Data.List (sort)
 import Math.Geometry.Grid (size)
 import Math.Geometry.Grid.Hexagonal (HexHexGrid, hexHexGrid)
diff --git a/test/Data/Datamining/PatternQC.hs b/test/Data/Datamining/PatternQC.hs
--- a/test/Data/Datamining/PatternQC.hs
+++ b/test/Data/Datamining/PatternQC.hs
@@ -20,7 +20,6 @@
 
 import Data.Datamining.Pattern
 
-import Control.Applicative ((<$>), (<*>))
 import Test.Framework as TF (Test, testGroup)
 import Test.Framework.Providers.QuickCheck2 (testProperty)
 import Test.QuickCheck ((==>), Gen, Arbitrary, arbitrary, choose,