diff --git a/Data/Semigroup/Union.hs b/Data/Semigroup/Union.hs
--- a/Data/Semigroup/Union.hs
+++ b/Data/Semigroup/Union.hs
@@ -2,14 +2,12 @@
 module Data.Semigroup.Union
     ( module Data.Semigroup.Reducer
     -- * Unions of Containers
-    , HasUnion
-    , empty
-    , union
+    , HasUnion(..)
+    , HasUnion0(..)
     , Union(Union,getUnion)
     -- * Unions of Containers of Semigroups
-    , HasUnionWith
-    , emptyWith
-    , unionWith
+    , HasUnionWith(..)
+    , HasUnionWith0(..)
     , UnionWith(UnionWith,getUnionWith)
     ) where
 
diff --git a/reducers.cabal b/reducers.cabal
--- a/reducers.cabal
+++ b/reducers.cabal
@@ -1,6 +1,6 @@
 name:          reducers
 category:      Data, Math, Numerical, Semigroups
-version:       0.1.5
+version:       0.1.6
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE