diff --git a/eq.cabal b/eq.cabal
--- a/eq.cabal
+++ b/eq.cabal
@@ -1,6 +1,6 @@
 name:          eq
 category:      Type System
-version:       0.3.3
+version:       0.3.3.1
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -18,11 +18,14 @@
   location: git://github.com/ekmett/eq.git
 
 library
+  other-extensions: 
+    CPP
+    Rank2Types
+    TypeOperators
+
   build-depends: 
     base >= 4 && < 5,
     semigroupoids >= 1.2.2 && < 1.3.0
-
-  extensions: TypeOperators
 
   exposed-modules:
     Data.Eq.Type