diff --git a/MonadCompose.cabal b/MonadCompose.cabal
--- a/MonadCompose.cabal
+++ b/MonadCompose.cabal
@@ -1,5 +1,5 @@
 name:                MonadCompose
-version:             0.8.4.0
+version:             0.8.4.1
 synopsis:            Methods for composing monads.
 description:         Methods for composing monads.
   .
@@ -19,5 +19,5 @@
 library
   exposed-modules:     Control.Monad.IOT, Control.Monad.PlusMonad, Control.Monad.Lifter, Control.Linear
   -- other-modules: 
-  build-depends:       base >=4 && <=5, ghc-prim, mtl >= 2.2, mmorph ==1.0.*, monad-products, transformers, random, data-default, parallel ==3.2.*, transformers-compat ==0.4.*, monad-loops >= 0.4.2.1
+  build-depends:       base >=4 && <=5, ghc-prim, mtl >= 2.2, mmorph ==1.0.*, monad-products, transformers, random, data-default, parallel >=3.2, transformers-compat ==0.4.*, monad-loops >= 0.4.2.1
   ghc-options:         -fno-cse