diff --git a/README.md b/README.md
index cb62dff..5731aa0 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ The package can be installed by adding `ex_pression` to your list of dependencie
 ```elixir
 def deps do
   [
-    {:ex_pression, "~> 0.3.2"}
+    {:ex_pression, "~> 0.4.0"}
   ]
 end
 ```
diff --git a/mix.exs b/mix.exs
index d784919..3e9b71b 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule ExPression.MixProject do
   use Mix.Project
 
-  @version "0.3.2"
+  @version "0.4.0"
   @source_url "https://github.com/balance-platform/ex_pression"
 
   def project do