diff --git a/CHANGELOG.txt b/CHANGELOG.txt
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,6 @@
+0.5.1, 2010-11-23:
+	Update dependencies to allow for mtl 2.0.
+
 0.5, 2009-12-01:
 	New functions:
 		System.FilePath.Glob.globDir :: Pattern -> FilePath -> IO [FilePath]
diff --git a/Glob.cabal b/Glob.cabal
--- a/Glob.cabal
+++ b/Glob.cabal
@@ -1,7 +1,7 @@
 Cabal-Version: >= 1.6
 
 Name:        Glob
-Version:     0.5
+Version:     0.5.1
 Homepage:    http://iki.fi/matti.niemenmaa/glob/
 Synopsis:    Globbing library
 Category:    System
@@ -28,7 +28,7 @@
                 , directory  == 1.*
                 , dlist      == 0.*
                 , filepath   == 1.*
-                , mtl        == 1.*
+                , mtl        >= 1.1 && < 2.1
 
    if os(windows)
       Build-Depends: Win32 == 2.*
diff --git a/LICENSE.txt b/LICENSE.txt
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -2,7 +2,7 @@
 the code are held by whoever wrote the code in question: see CREDITS.txt for a
 list of authors.
 
-Copyright (c) 2008-2009 <authors>
+Copyright (c) 2008-2010 <authors>
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
