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: 1.7
+Version: 1.7.1
 License: BSD3
 License-file: LICENSE
 Copyright: Tim Docker, 2006-2014
@@ -20,7 +20,7 @@
                , colour >= 2.2.1 && < 2.4
                , data-default-class < 0.1
                , operational >= 0.2.2 && < 0.3
-               , lens >= 3.9 && < 4.14
+               , lens >= 3.9 && < 4.15
                , Chart >= 1.7 && < 1.8
 
   Exposed-modules: