diff --git a/ad.cabal b/ad.cabal
--- a/ad.cabal
+++ b/ad.cabal
@@ -1,5 +1,5 @@
 name:         ad
-version:      0.46.0
+version:      0.46.1
 license:      BSD3
 license-File: LICENSE
 copyright:    (c) Edward Kmett 2010-2011,
@@ -84,7 +84,7 @@
 build-depends:       
     base >= 4 && < 5,
     data-reify >= 0.5 && < 0.6, 
-    containers >= 0.2 && < 0.4,
+    containers >= 0.2 && < 0.5,
     template-haskell >= 2.4 && < 2.5,
     array >= 0.2 && < 0.4,
     comonad >= 0.6 && < 0.7