diff --git a/monadIO.cabal b/monadIO.cabal
--- a/monadIO.cabal
+++ b/monadIO.cabal
@@ -1,5 +1,5 @@
 name:               monadIO
-version:            0.10.1.3
+version:            0.10.1.4
 synopsis:           Overloading of concurrency variables
 description:        MonadIO provides for many IO operations to be
                     overloaded over other IO-like monads.
@@ -15,8 +15,8 @@
 
 Library
   Build-Depends:    base >= 4.2.0.0 && < 5.0,
-                    stm  >= 2.2.0.0 && < 2.5,
-                    mtl  >= 2.0.1.0 && < 2.2
+                    stm  >= 2.2.0.0,
+                    mtl  >= 2.0.1.0
   Exposed-modules:  Control.Concurrent.MonadIO
                     Control.Concurrent.STM.MonadIO
                     Control.Concurrent.StdInOut