diff --git a/monoids.cabal b/monoids.cabal
--- a/monoids.cabal
+++ b/monoids.cabal
@@ -1,5 +1,5 @@
 name:		    monoids
-version:	    0.1.30
+version:	    0.1.31
 license:	    BSD3
 license-file:   LICENSE
 author:		    Edward A. Kmett