diff --git a/conceit.cabal b/conceit.cabal
--- a/conceit.cabal
+++ b/conceit.cabal
@@ -1,5 +1,5 @@
 name:          conceit
-version:       0.3.1.0
+version:       0.3.2.0
 license:       BSD3
 license-file:  LICENSE
 data-files:    
@@ -23,8 +23,8 @@
     other-modules: 
     build-depends:         
         base >= 4.4 && < 5,
-        semigroupoids ==4.*,
-        bifunctors >= 4.1 && < 5,
+        semigroupoids >=4 && < 6,
+        bifunctors >= 4.1 && < 6,
         void >= 0.6 && < 1.0,
         exceptions >= 0.6 && < 1.0,
         mtl >=2.0 && <2.3,
