diff --git a/iteratee-compress.cabal b/iteratee-compress.cabal
--- a/iteratee-compress.cabal
+++ b/iteratee-compress.cabal
@@ -1,5 +1,5 @@
 Name:                iteratee-compress
-Version:             0.3.3.0
+Version:             0.3.3.1
 Synopsis:            Enumeratees for compressing and decompressing streams
 Description:         Enumeratees for compressing and decompressing streams
 License:             BSD3
@@ -22,7 +22,7 @@
   Build-depends:     base >= 4 && < 5,
                      bytestring >= 0.9 && < 0.11,
                      iteratee >= 0.8.4 && < 0.9,
-                     mtl >= 2.0 && < 2.2
+                     mtl >= 2.0 && < 2.3
   Build-tools:       hsc2hs
   Extensions:        CPP,
                      DeriveDataTypeable,