diff --git a/Control/Lens.hs b/Control/Lens.hs
--- a/Control/Lens.hs
+++ b/Control/Lens.hs
@@ -1,4 +1,4 @@
-module Control.Lens (Lens, Refractor, Traversal,
+module Control.Lens (Lens, Refractor, Traversal, Iso,
                      lens, iso,
                      get, set, modify, mapping,
                      fstL, sndL, swapL, unitL, bitL) where
diff --git a/lenz.cabal b/lenz.cabal
--- a/lenz.cabal
+++ b/lenz.cabal
@@ -1,5 +1,5 @@
 name:           lenz
-version:        0.2.2.0
+version:        0.2.2.1
 synopsis:       Van Laarhoven lenses
 license:        BSD3
 author:	        M Farkas-Dyck