diff --git a/rad.cabal b/rad.cabal
--- a/rad.cabal
+++ b/rad.cabal
@@ -1,5 +1,5 @@
 Name:                rad
-Version:             0.1.6.2
+Version:             0.1.6.3
 License:             BSD3
 License-File:        LICENSE
 Copyright:           Edward Kmett 2010
@@ -15,9 +15,9 @@
     Deprecated: Use 'ad' instead.
 Category:            Math
 Build-Type:          Simple
-Build-Depends:       base >= 4 && < 5,
+Build-Depends:       base       >= 4   && < 5,
                      data-reify >= 0.5 && < 0.7,
-                     containers >= 0.2 && < 0.5,
-                     array >= 0.2 && < 0.5
+                     containers >= 0.2 && < 0.6,
+                     array      >= 0.2 && < 0.5
 Exposed-Modules:     Numeric.RAD
 Extra-Source-Files:  TODO