diff --git a/validity-containers.cabal b/validity-containers.cabal
--- a/validity-containers.cabal
+++ b/validity-containers.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 7745ecc88d5b340b3fdd71d06719f881d41ce168cf2e676e25bc38ea6f1ccd81
+-- hash: f1bc39d3211c9add5e9e1ed029815126baa1c40c73a70873db227d02c45b103f
 
 name:           validity-containers
-version:        0.4.0.0
+version:        0.5.0.0
 synopsis:       Validity instances for containers
 description:    Please see README.md
 category:       Validity