diff --git a/bpann.cabal b/bpann.cabal
--- a/bpann.cabal
+++ b/bpann.cabal
@@ -1,6 +1,6 @@
 Name:              bpann
 
-Version:           0.1
+Version:           0.1.1
 
 Synopsis:          backpropagation neuronal network
 
@@ -29,7 +29,7 @@
 
 Library
   Exposed-modules: AI.BPANN
-  Build-depends:   base >= 4 && < 5, split -any, haskell98 -any
+  Build-depends:   base >= 4 && < 5, split -any, random -any
   
   hs-source-dirs: src
   
diff --git a/src/AI/BPANN.hs b/src/AI/BPANN.hs
--- a/src/AI/BPANN.hs
+++ b/src/AI/BPANN.hs
@@ -14,9 +14,9 @@
 module AI.BPANN where
 
 import Data.List
-import Maybe
-import Random
 import Data.List.Split
+import Data.Maybe
+import System.Random
 
 -- ** Types for computation
 type ALayer a = [(Neuron,a)] -- Das erste Neuron ist immer das BIAS Neuron