diff --git a/mix.exs b/mix.exs
index 4f8fb32b2..6d50b2ce2 100644
--- a/mix.exs
+++ b/mix.exs
@@ -3,7 +3,7 @@ defmodule Ejabberd.Mixfile do
 
   def project do
     [app: :ejabberd,
-     version: "21.1.0",
+     version: "21.4.0",
      description: description(),
      elixir: "~> 1.4",
      elixirc_paths: ["lib"],