diff --git a/mbox-tools.cabal b/mbox-tools.cabal
--- a/mbox-tools.cabal
+++ b/mbox-tools.cabal
@@ -1,6 +1,6 @@
 Name:           mbox-tools
 Cabal-Version:  >=1.8
-Version:        0.2.0.0
+Version:        0.2.0.1
 License:        BSD3
 License-File:   LICENSE
 Copyright:      (c) Nicolas Pouillard
@@ -22,7 +22,7 @@
 
 Library
     Build-depends: base(>=3 && <5), containers>=0.1, bytestring>=0.9, parsec,
-                   transformers, monads-fd, fclabels>=1.0, pureMD5,
+                   transformers, mtl>=2.0, fclabels>=1.0, pureMD5,
                    codec-mbox>=0.1, hsemail>=1.3.1
                    -- TMP-NO-MIME, mime-bytestring
     exposed-modules: MboxTools