--- haskell-tar-0.5.1.0.orig/tar.cabal
+++ haskell-tar-0.5.1.0/tar.cabal
@@ -41,7 +41,7 @@ library
   build-depends: base       == 4.*,
                  filepath             < 1.5,
                  array                < 0.6,
-                 containers >= 0.2 && < 0.6,
+                 containers >= 0.2 && < 0.7,
                  deepseq    >= 1.1 && < 1.5
 
   if flag(old-time)
