diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a158d3e..78be3748 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## v0.9.1 (2021-10-17)
+- Upgrade NimbleOptions dep to 0.4.0.
+
 ## v0.9.0 (2021-10-17)
 - Add support for unix sockets.
 
diff --git a/mix.exs b/mix.exs
index 4fc99faa..8616a468 100644
--- a/mix.exs
+++ b/mix.exs
@@ -2,7 +2,7 @@ defmodule Finch.MixProject do
   use Mix.Project
 
   @name "Finch"
-  @version "0.9.0"
+  @version "0.9.1"
   @repo_url "https://github.com/sneako/finch"
 
   def project do