diff --git a/graphted.cabal b/graphted.cabal
--- a/graphted.cabal
+++ b/graphted.cabal
@@ -1,5 +1,5 @@
 name:                graphted
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:    Graph indexed monads.
 -- description: TODO
 homepage:            https://github.com/aaronfriel/graphted#readme
diff --git a/src/Control/Applicative/Graph.hs b/src/Control/Applicative/Graph.hs
--- a/src/Control/Applicative/Graph.hs
+++ b/src/Control/Applicative/Graph.hs
@@ -13,7 +13,7 @@
 {-# LANGUAGE DefaultSignatures     #-}
 {-# LANGUAGE FlexibleContexts      #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
-{-# LANGUAGE Polypinds             #-}
+{-# LANGUAGE PolyKinds             #-}
 {-# LANGUAGE TypeFamilies          #-}
 
 -- For the default Apply, Then, and But instances.