diff --git a/music-articulation.cabal b/music-articulation.cabal
--- a/music-articulation.cabal
+++ b/music-articulation.cabal
@@ -1,6 +1,6 @@
 
 name:                   music-articulation
-version:                1.7.2
+version:                1.8
 author:                 Hans Hoglund
 maintainer:             Hans Hoglund
 license:                BSD3
@@ -23,8 +23,7 @@
 library
     build-depends:      base                    >= 4 && < 5,
                         average                 >= 0.6 && < 1,
-                        semigroups              >= 0.13.0.1 && < 1,
-                        semigroupoids
+                        semigroups              >= 0.13.0.1 && < 1
     exposed-modules:    Music.Articulation
     hs-source-dirs:     src
     default-language:   Haskell2010