diff --git a/free.cabal b/free.cabal
--- a/free.cabal
+++ b/free.cabal
@@ -1,6 +1,6 @@
 name:          free
 category:      Control, Monads
-version:       3.1
+version:       3.1.1
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
diff --git a/src/Control/Monad/Trans/Free.hs b/src/Control/Monad/Trans/Free.hs
--- a/src/Control/Monad/Trans/Free.hs
+++ b/src/Control/Monad/Trans/Free.hs
@@ -17,7 +17,8 @@
 --
 ----------------------------------------------------------------------------
 module Control.Monad.Trans.Free
-  ( FreeT(..)
+  ( FreeF(..)
+  , FreeT(..)
   , MonadFree(..)
   , liftF
   ) where