diff --git a/CHANGELOG.md b/CHANGELOG.md
index 543d26b..b691afc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
   * Add `Form.source_data/1` and `Form.source_module/1` (`get_polymorphic_type/2` doesn't work for list of embeds)
   * Add `:retain_unlisted_types_on_load` and `:nilify_unlisted_types_on_load` options
   * MongoDB fix
+  * Deprecate `:type_field` in favor of `:type_field_name`
 
 ## 4.0.x
 
diff --git a/README.md b/README.md
index 61cc33e..cdf3ef2 100644
--- a/README.md
+++ b/README.md
@@ -272,7 +272,7 @@ Add `polymorphic_embed` for Elixir as a dependency in your `mix.exs` file:
 ```elixir
 def deps do
   [
-    {:polymorphic_embed, "~> 4.1.0"}
+    {:polymorphic_embed, "~> 4.1.1"}
   ]
 end
 ```
diff --git a/mix.exs b/mix.exs
index 3150a44..35f358f 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule PolymorphicEmbed.MixProject do
   use Mix.Project
 
-  @version "4.1.0"
+  @version "4.1.1"
 
   def project do
     [