diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9e213f..2af1b72 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## 3.0.x
 
   * Default value for polymorphic list of embeds is `[]` instead of `nil` (following `embeds_many/3`)
+  * Support Phoenix HTML 4.0
 
 ### Migration from 2.x to 3.x
 
diff --git a/README.md b/README.md
index ef3c9b7..f872e14 100644
--- a/README.md
+++ b/README.md
@@ -264,7 +264,7 @@ Add `polymorphic_embed` for Elixir as a dependency in your `mix.exs` file:
 ```elixir
 def deps do
   [
-    {:polymorphic_embed, "~> 3.0.5"}
+    {:polymorphic_embed, "~> 3.0.6"}
   ]
 end
 ```
diff --git a/mix.exs b/mix.exs
index be043b8..1f87e76 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule PolymorphicEmbed.MixProject do
   use Mix.Project
 
-  @version "3.0.5"
+  @version "3.0.6"
 
   def project do
     [