diff --git a/Control/Monad/Failure/MTL.hs b/Control/Monad/Failure/MTL.hs
--- a/Control/Monad/Failure/MTL.hs
+++ b/Control/Monad/Failure/MTL.hs
@@ -16,7 +16,6 @@
 import Control.Monad.Writer.Strict  as Strict
 import Control.Monad.RWS.Lazy       as Lazy
 import Control.Monad.RWS.Strict     as Strict
-import Data.Monoid
 
 -- -----------------------
 -- MonadFailure Instances
diff --git a/control-monad-failure-mtl.cabal b/control-monad-failure-mtl.cabal
--- a/control-monad-failure-mtl.cabal
+++ b/control-monad-failure-mtl.cabal
@@ -1,5 +1,5 @@
 name: control-monad-failure-mtl
-version: 0.6.0
+version: 0.7.0
 Cabal-Version:  >= 1.6
 build-type: Simple
 license: PublicDomain
@@ -14,7 +14,7 @@
 Library
   buildable: True
   build-depends: base >= 4 && < 5,
-                 failure >= 0.0.0 && < 0.1,
+                 failure >= 0.1.0 && < 0.2,
                  mtl >= 1.1.0.2 && < 1.2
   ghc-options: -Wall
   extensions:  MultiParamTypeClasses, FlexibleInstances