diff --git a/Data/Cofunctor.lhs b/Data/Cofunctor.lhs
--- a/Data/Cofunctor.lhs
+++ b/Data/Cofunctor.lhs
@@ -3,6 +3,8 @@
 > ) where
 >
 > {- |
+> /DEPRECATED: please use the "contravariant" package/
+>
 > The Confunctor class is useful for \"sink-like\" types, especially when
 > combined with GADTs. For instance:
 >
diff --git a/cofunctor.cabal b/cofunctor.cabal
--- a/cofunctor.cabal
+++ b/cofunctor.cabal
@@ -4,9 +4,9 @@
 -- The name of the package.
 Name:                cofunctor
 
-Version:             0.1.0
+Version:             0.1.0.1
 
-Synopsis:            A small library providing a contravariant functor class
+Synopsis:            DEPRECATED: use the "contravariant" package
 
 Description:         This library provides a 'Cofunctor' class useful for types
                      that are sinks or make use of IO effects. See documentation