diff --git a/Chart-cairo.cabal b/Chart-cairo.cabal
--- a/Chart-cairo.cabal
+++ b/Chart-cairo.cabal
@@ -1,5 +1,5 @@
 Name: Chart-cairo
-Version: 1.5.4
+Version: 1.6
 License: BSD3
 License-file: LICENSE
 Copyright: Tim Docker, 2006-2014
@@ -21,7 +21,7 @@
                , data-default-class < 0.1
                , operational >= 0.2.2 && < 0.3
                , lens >= 3.9 && < 4.14
-               , Chart >= 1.5 && < 1.6
+               , Chart >= 1.6 && < 1.7
 
   Exposed-modules:
         Graphics.Rendering.Chart.Backend.Cairo