diff -u libmpd-0.7.2/libmpd.cabal\~ libmpd-0.7.2/libmpd.cabal
--- libmpd-0.7.2/libmpd.cabal~	2012-03-03 22:52:00.256845067 +0900
+++ libmpd-0.7.2/libmpd.cabal	2012-06-09 23:09:37.157397579 +0900
@@ -35,7 +35,7 @@
 
 Library
     Build-Depends:      base >= 4 && < 5,
-                        mtl >= 2.0 && < 2.1,
+                        mtl >= 2.0 && < 2.2,
                         network >= 2.1 && < 2.4,
                         filepath >= 1.0 && < 1.4,
                         utf8-string >= 0.3.1 && < 0.4,