diff --git a/either.cabal b/either.cabal
--- a/either.cabal
+++ b/either.cabal
@@ -1,6 +1,6 @@
 name:          either
 category:      Control, Monads
-version:       0.2.2.1
+version:       0.2.2.2
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -21,7 +21,7 @@
   build-depends: 
     base >= 4 && < 5,
     data-default >= 0.2.0.1 && < 0.3,
-    semigroups >= 0.5 && < 0.6,
+    semigroups >= 0.6 && < 0.7,
     semigroupoids >= 1.2.1 && < 1.3,
     transformers >= 0.2.0 && <= 0.3