diff --git a/modulo.cabal b/modulo.cabal
--- a/modulo.cabal
+++ b/modulo.cabal
@@ -1,6 +1,6 @@
 
 name:               modulo
-version:            1.1
+version:            1.2
 cabal-version:      >= 1.6
 author:             Hans Hoglund
 maintainer:         Hans Hoglund <hans@hanshoglund.se>
@@ -25,8 +25,9 @@
     build-depends: 
         base            >= 4 && < 5,
         semigroups, 
+        nats, 
         data-default,
-        text, 
+        text,
         parsec          >= 3.1.2 && < 4, 
         prettify        >= 1.0 && < 2,
         language-c,