diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Changelog for polysemy-vinyl
 
+## v0.1.1.0
+
+* Enable `PolyKinds`.
+
 ## v0.1.0.0
 
 * Add `rmapOutput`, `rmapOutput'` `rContramapInput`, `rContramapInput'`.
diff --git a/polysemy-vinyl.cabal b/polysemy-vinyl.cabal
--- a/polysemy-vinyl.cabal
+++ b/polysemy-vinyl.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           polysemy-vinyl
-version:        0.1.0.0
+version:        0.1.1.0
 synopsis:       Functions for mapping vinyl records in polysemy.
 description:    Extra functions for using vinyl records in polysemy.
 category:       Polysemy Vinyl
diff --git a/src/Polysemy/Vinyl.hs b/src/Polysemy/Vinyl.hs
--- a/src/Polysemy/Vinyl.hs
+++ b/src/Polysemy/Vinyl.hs
@@ -8,6 +8,7 @@
 -}
 {-# LANGUAGE DataKinds     #-}
 {-# LANGUAGE RankNTypes    #-}
+{-# LANGUAGE PolyKinds     #-}
 {-# LANGUAGE TypeOperators #-}
 module Polysemy.Vinyl (
   rContramapInput