diff --git a/Happstack/Lite.hs b/Happstack/Lite.hs
--- a/Happstack/Lite.hs
+++ b/Happstack/Lite.hs
@@ -52,9 +52,10 @@
      , asContentType
      -- * Other
      , MonadPlus(..)
+     , msum
      ) where
 
-import Control.Monad (MonadPlus(..))
+import Control.Monad (MonadPlus(..), msum)
 import qualified Data.ByteString as B
 import Data.ByteString.Lazy.Char8 (ByteString)
 import Data.Int (Int64)
diff --git a/happstack-lite.cabal b/happstack-lite.cabal
--- a/happstack-lite.cabal
+++ b/happstack-lite.cabal
@@ -1,5 +1,5 @@
 Name:                happstack-lite
-Version:             6.0.0
+Version:             6.0.1
 Synopsis:            Happstack minus the useless stuff
 Description:         This packages provides a subset of Happstack that is easier to learn but still very useful. It as 100% compatible with the full version of Happstack.
 Homepage:            http://www.happstack.com/
