diff --git a/namespace.cabal b/namespace.cabal
--- a/namespace.cabal
+++ b/namespace.cabal
@@ -1,5 +1,5 @@
 name:                namespace
-version:             0.1.4.0
+version:             0.1.4.1
 synopsis:            A Generic Haskell library for managing namespaces
 description:         Please see README.md
 homepage:            https://github.com/xu-hao/namespace
@@ -18,7 +18,7 @@
   exposed-modules:     Data.Namespace.Namespace Data.Namespace.Path
   build-depends:       base >= 4.9 && < 5,
                        monoid-extras >= 0.5 && < 0.6,
-                       containers >= 0.5 && < 0.6
+                       containers >= 0.5 && < 0.7
   default-language:    Haskell2010
 
 test-suite namespace-test