diff --git a/representable-profunctors.cabal b/representable-profunctors.cabal
--- a/representable-profunctors.cabal
+++ b/representable-profunctors.cabal
@@ -1,6 +1,6 @@
 name:          representable-profunctors
 category:      Control, Categories
-version:       0.4.0.3
+version:       0.4.1
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -18,20 +18,20 @@
   location: git://github.com/ekmett/representable-profunctors.git
 
 library
-  other-extensions: 
-    TypeFamilies 
+  other-extensions:
+    TypeFamilies
     FlexibleContexts
     UndecidableInstances
 
-  build-depends: 
-    base >= 4 && < 5,
-    comonad >= 1.1 && < 1.2,
-    profunctors >= 0.1.1 && < 0.2,
-    profunctor-extras >= 0.3.1 && < 0.4,
-    transformers >= 0.2.2.0 && < 0.3
+  build-depends:
+    base              >= 4       && < 5,
+    comonad           >= 1.1.1.3 && < 1.2,
+    profunctors       >= 0.1.2   && < 0.2,
+    profunctor-extras >= 0.3.2   && < 0.4,
+    transformers      >= 0.3     && < 0.4
 
   exposed-modules:
     Data.Profunctor.Representable
     Data.Profunctor.Corepresentable
 
-  ghc-options:      -Wall 
+  ghc-options:      -Wall