diff --git a/monad-coroutine.cabal b/monad-coroutine.cabal
--- a/monad-coroutine.cabal
+++ b/monad-coroutine.cabal
@@ -1,5 +1,5 @@
 Name:                monad-coroutine
-Version:             0.9
+Version:             0.9.0.1
 Cabal-Version:       >= 1.10
 Build-Type:          Simple
 Synopsis:            Coroutine monad transformer for suspending and resuming monadic computations
@@ -23,7 +23,7 @@
 
 Library
   Exposed-Modules:   Control.Monad.Coroutine, Control.Monad.Coroutine.SuspensionFunctors, Control.Monad.Coroutine.Nested
-  Build-Depends:     base < 5, transformers >= 0.2 && < 0.5, transformers-compat >= 0.3 && < 0.4, monad-parallel
+  Build-Depends:     base < 5, transformers >= 0.2 && < 0.5, transformers-compat >= 0.3 && < 0.5, monad-parallel
   GHC-prof-options:  -auto-all
   if impl(ghc >= 7.0.0)
      default-language: Haskell2010