diff --git a/milena.cabal b/milena.cabal
index 8d16e6c..10797bc 100644
--- a/milena.cabal
+++ b/milena.cabal
@@ -4,7 +4,7 @@ name:                milena
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.4.0.1
+version:             0.5.0.0
 synopsis:            A Kafka client for Haskell.
 description:
   A Kafka client for Haskell.
@@ -27,7 +27,7 @@ source-repository head
 source-repository this
   type: git
   location: https://github.com/tylerholien/milena.git
-  tag: 0.4.0.1
+  tag: 0.5.0.0
 
 library
   default-language: Haskell2010