--- stringsearch.cabal.orig	2015-03-28 23:03:58 UTC
+++ stringsearch.cabal
@@ -83,7 +83,7 @@ Library
   -- Packages needed in order to build this package.
   if flag(base4)
     Build-depends:   base >= 4 && < 5, array >= 0.3 && < 0.6,
-                     bytestring >= 0.9 && < 1, containers >= 0.3 && < 0.6
+                     bytestring >= 0.9 && < 1, containers >= 0.3 && < 0.7
   else
     if flag(base3)
       Build-depends: base >= 3 && < 4, array >= 0.1 && < 0.4,