diff --git a/groupoids.cabal b/groupoids.cabal
--- a/groupoids.cabal
+++ b/groupoids.cabal
@@ -1,6 +1,6 @@
 name:          groupoids
 category:      Control, Categories
-version:       0.1.1.1
+version:       0.1.1.2
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -20,13 +20,13 @@
 library
   build-depends: 
     base >= 4 && < 5,
-    semigroupoids >= 1.2.4 && <= 1.3
+    semigroupoids >= 1.2.6.1 && <= 1.3
 
   exposed-modules:
     Data.Groupoid
     Data.Groupoid.Isomorphism
 
-  ghc-options:      -Wall 
+  ghc-options:      -Wall
 --  if impl(ghc)
 --    cpp-options: -DGHC_TYPEABLE
 --  extensions: CPP