diff --git a/hinduce-classifier.cabal b/hinduce-classifier.cabal
--- a/hinduce-classifier.cabal
+++ b/hinduce-classifier.cabal
@@ -1,5 +1,5 @@
 Name:           hinduce-classifier
-Version:        0.0.0.0
+Version:        0.0.0.1
 License:        BSD3
 Author:         Robert Hensing
 Maintainer:     hackage@roberthensing.nl
@@ -12,8 +12,7 @@
 Category:       Data Mining
 
 Library
-    Build-Depends:      haskell98
-                        , base >= 4 && < 5
+    Build-Depends:      base >= 4 && < 5
                         , layout >= 0.0.0.1
                         , hinduce-missingh >= 0.0.0.0
     Exposed-Modules:    Data.HInduce.Classifier
diff --git a/src/Data/HInduce/Classifier.hs b/src/Data/HInduce/Classifier.hs
--- a/src/Data/HInduce/Classifier.hs
+++ b/src/Data/HInduce/Classifier.hs
@@ -20,8 +20,8 @@
 import Control.Arrow
 import Data.HInduce.Classifier.Class
 import Data.List.HIUtils
+import Data.Ratio
 import Text.Layout
-import Ratio
 
 -- | A confusion matrix, represented sparsely as an association list.
 --