diff --git a/parallel.cabal b/parallel.cabal
--- a/parallel.cabal
+++ b/parallel.cabal
@@ -1,5 +1,5 @@
 name:		parallel
-version:        3.2.0.2
+version:        3.2.0.3
 license:	BSD3
 license-file:	LICENSE
 maintainer:	libraries@haskell.org
@@ -22,7 +22,7 @@
   extensions:	CPP BangPatterns
   build-depends: base    >= 3 && < 5,
                  deepseq >= 1.1 && < 1.4,
-                 containers >= 0.1 && < 0.5,
+                 containers >= 0.1 && < 0.6,
                  array      >= 0.1 && < 0.5
   ghc-options: -Wall