diff --git a/Numeric/Covector.hs b/Numeric/Covector.hs
--- a/Numeric/Covector.hs
+++ b/Numeric/Covector.hs
@@ -1,6 +1,7 @@
 {-# LANGUAGE MultiParamTypeClasses, FlexibleInstances, FlexibleContexts #-}
-module Numeric.Covector 
+module Numeric.Covector
   ( Covector(..)
+  , ($*)
   -- * Covectors as linear functionals
   , counitM
   , unitM
diff --git a/algebra.cabal b/algebra.cabal
--- a/algebra.cabal
+++ b/algebra.cabal
@@ -1,6 +1,6 @@
 name:          algebra
 category:      Math, Algebra
-version:       2.0.5
+version:       2.0.6
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE