diff --git a/morfette.cabal b/morfette.cabal
--- a/morfette.cabal
+++ b/morfette.cabal
@@ -1,5 +1,5 @@
 Name:       morfette
-Version:    0.4.2
+Version:    0.4.3
 Homepage:   http://sites.google.com/site/morfetteweb/
 Synopsis:   A tool for supervised learning of morphology
 Description: Morfette is a tool for supervised learning of inflectional
@@ -38,7 +38,7 @@
                   Paths_morfette
   Build-depends:  base >=3 && <=5 , containers, array, mtl, 
                   directory, filepath, pretty,
-                  utf8-string, bytestring, binary, QuickCheck >= 2.3,
+                  utf8-string == 0.3, bytestring, binary, QuickCheck >= 2.3,
                   vector >= 0.10, text >= 0.11
   cc-options:     -Wall 
   c-sources:      src/ghc_rts_opts.c