diff --git a/Data/Profunctor/Collage.hs b/Data/Profunctor/Collage.hs
--- a/Data/Profunctor/Collage.hs
+++ b/Data/Profunctor/Collage.hs
@@ -1,10 +1,11 @@
 {-# LANGUAGE GADTs, FlexibleInstances, UndecidableInstances #-}
+{-# OPTIONS_GHC -fno-warn-incomplete-patterns #-}
 module Data.Profunctor.Collage 
   ( Collage(..)
   ) where
 
 import Data.Semigroupoid
-import Data.Semigroupoid.Coproduct (L(..), R(..))
+import Data.Semigroupoid.Coproduct (L, R)
 import Data.Profunctor
 
 -- | The cograph of a profunctor
diff --git a/profunctor-extras.cabal b/profunctor-extras.cabal
--- a/profunctor-extras.cabal
+++ b/profunctor-extras.cabal
@@ -1,6 +1,6 @@
 name:          profunctor-extras
 category:      Control, Categories
-version:       0.1.2
+version:       0.2
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -21,6 +21,7 @@
   build-depends: 
     base >= 4 && < 5,
     semigroupoids >= 1.2.2 && <= 1.3,
+    semigroupoid-extras >= 0.2.4 && <= 0.3,
     comonad >= 1.1 && < 1.2,
     profunctors >= 0.1.1 && < 0.2