diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2012-2015 Fujimura Daisuke, Simon Hengel
+Copyright (c) 2012-2018 Fujimura Daisuke, Simon Hengel
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/hspec-wai.cabal b/hspec-wai.cabal
--- a/hspec-wai.cabal
+++ b/hspec-wai.cabal
@@ -4,16 +4,16 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: f19a5cdb12c601cb9d7b3f43cfab50f72b7e014ca5a9a1ba0c69aaa12b380931
+-- hash: 8cd8444fb81ce20f9ac1bc6ef05bcaf0c7bfec1e15deefc045dbe71f1830a92b
 
 name:             hspec-wai
-version:          0.9.1
+version:          0.9.2
 homepage:         https://github.com/hspec/hspec-wai#readme
 bug-reports:      https://github.com/hspec/hspec-wai/issues
 license:          MIT
 license-file:     LICENSE
 copyright:        (c) 2012-2014 Fujimura Daisuke,
-                  (c) 2014-2015 Simon Hengel
+                  (c) 2014-2018 Simon Hengel
 author:           Fujimura Daisuke <me@fujimuradaisuke.com>,
                   Simon Hengel <sol@typeful.net>
 maintainer:       Fujimura Daisuke <me@fujimuradaisuke.com>,
diff --git a/src/Test/Hspec/Wai/Internal.hs b/src/Test/Hspec/Wai/Internal.hs
--- a/src/Test/Hspec/Wai/Internal.hs
+++ b/src/Test/Hspec/Wai/Internal.hs
@@ -22,7 +22,7 @@
 import           Test.Hspec.Core.Spec
 import           Test.Hspec.Wai.Util (formatHeader)
 
-#if MIN_VERSION_base(4,12,0)
+#if MIN_VERSION_base(4,9,0)
 import           Control.Monad.Fail
 #endif
 
@@ -35,7 +35,7 @@
 -- session that carries the `Application` under test and some client state.
 newtype WaiSession a = WaiSession {unWaiSession :: Session a}
   deriving (Functor, Applicative, Monad, MonadIO
-#if MIN_VERSION_base(4,12,0)
+#if MIN_VERSION_base(4,9,0)
   , MonadFail
 #endif
   )