diff --git a/haskelldb.cabal b/haskelldb.cabal
--- a/haskelldb.cabal
+++ b/haskelldb.cabal
@@ -1,5 +1,5 @@
 Name: haskelldb
-Version: 2.2.1
+Version: 2.2.2
 Cabal-version: >= 1.6
 Build-type: Simple
 Homepage: https://github.com/m4dc4p/haskelldb
@@ -14,7 +14,7 @@
 Category: Database
 
 Library
-  Build-depends: mtl >= 1.1 && < 2.1, 
+  Build-depends: mtl >= 1.1 && < 3, 
                  base >= 3 && < 5, 
                  pretty >= 1 && < 2, 
                  old-time >= 1 && < 2,