diff --git a/representable-functors.cabal b/representable-functors.cabal
--- a/representable-functors.cabal
+++ b/representable-functors.cabal
@@ -1,6 +1,6 @@
 name:          representable-functors
 category:      Monads, Functors, Data Structures
-version:       2.0.0.1
+version:       2.0.0.3
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -18,6 +18,17 @@
   location: git://github.com/ekmett/representable-functors.git
 
 library
+  other-extensions:
+    CPP
+    FlexibleContexts
+    FlexibleInstances
+    GADTs
+    MultiParamTypeClasses
+    TypeFamilies
+    TypeOperators
+    TypeSynonymInstances
+    UndecidableInstances
+
   build-depends: 
     array >= 0.3.0.2 && < 0.4,
     base >= 4 && < 5,