diff --git a/music-sibelius.cabal b/music-sibelius.cabal
--- a/music-sibelius.cabal
+++ b/music-sibelius.cabal
@@ -1,6 +1,6 @@
 
 name:                   music-sibelius
-version:                1.7
+version:                1.7.1
 author:                 Hans Hoglund
 maintainer:             Hans Hoglund <hans@hanshoglund.se>
 license:                BSD3
@@ -21,15 +21,16 @@
   location:             git://github.com/music-suite/music-sibelius.git
   
 library                    
-    build-depends:      base                     >= 4 && < 5,
-                        semigroups               >= 0.13.0.1 && < 1,
-                        lens				            >= 4.1.2 && < 4.2,
+    build-depends:      base                    >= 4 && < 5,
+                        aeson                   >= 0.7.0.6 && < 1,
+                        lens				            >= 4.3 && < 4.4,
+                        semigroups              >= 0.13.0.1 && < 1,
                         monadplus,
                         unordered-containers,
                         bytestring,
-                        music-score              == 1.7,
-                        music-pitch-literal      == 1.7,
-                        music-preludes           == 1.7,
+                        music-score             == 1.7.1,
+                        music-pitch-literal     == 1.7.1,
+                        music-preludes          == 1.7.1,
                         aeson
     exposed-modules:    Music.Sibelius
                         Music.Score.Import.Sibelius
