diff --git a/music-preludes.cabal b/music-preludes.cabal
--- a/music-preludes.cabal
+++ b/music-preludes.cabal
@@ -1,6 +1,6 @@
 
 name:                   music-preludes
-version:                1.6.1
+version:                1.6.2
 author:                 Hans Hoglund
 maintainer:             Hans Hoglund
 license:                BSD3
@@ -28,22 +28,22 @@
                         containers,
                         vector-space,
                         vector-space-points,
-                        lilypond                == 1.6,
-                        musicxml2               == 1.6,
                         process,
                         filepath                >= 1.3  && < 2,
                         temporary               >= 1.1  && < 2,
                         optparse-applicative    >= 0.8  && < 1,
-                        semigroups,
+                        semigroups              >= 0.13.0.1 && < 1,
                         data-default,
                         monadplus,
                         reverse-apply,
-                        music-score             == 1.6,
-                        music-pitch             == 1.6,
-                        music-dynamics          == 1.6,
-                        music-parts             == 1.6,
-                        music-pitch-literal     == 1.6,
-                        music-dynamics-literal  == 1.6
+                        lilypond                == 1.6.2,
+                        musicxml2               == 1.6.2,
+                        music-score             == 1.6.2,
+                        music-pitch             == 1.6.2,
+                        music-dynamics          == 1.6.2,
+                        music-parts             == 1.6.2,
+                        music-pitch-literal     == 1.6.2,
+                        music-dynamics-literal  == 1.6.2
     exposed-modules:    Music.Prelude.Basic
                         Music.Prelude.Standard
                         Music.Prelude.Piano