diff --git a/groupoids.cabal b/groupoids.cabal
--- a/groupoids.cabal
+++ b/groupoids.cabal
@@ -1,6 +1,6 @@
 name:          groupoids
 category:      Control, Categories
-version:       0.2
+version:       0.2.1
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -18,15 +18,12 @@
   location: git://github.com/ekmett/groupoids.git
 
 library
-  build-depends: 
+  build-depends:
     base >= 4 && < 5,
-    semigroupoids >= 1.2.6.1 && <= 1.3
+    semigroupoids >= 1.2.6.1 && <= 1.4
 
   exposed-modules:
     Data.Groupoid
     Data.Isomorphism
 
   ghc-options:      -Wall
---  if impl(ghc)
---    cpp-options: -DGHC_TYPEABLE
---  extensions: CPP