diff --git a/CHANGELOG.md b/CHANGELOG.md
index 42b7cbe..d32f4ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v0.3.1
+
+  * Fix small memory leak related to owner cleanup.
+
 ## v0.3.0
 
   * Fixes around transitive dependencies.
diff --git a/mix.exs b/mix.exs
index e6c4396..a2e40d1 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule NimbleOwnership.MixProject do
   use Mix.Project
 
-  @version "0.3.0"
+  @version "0.3.1"
   @repo "https://github.com/dashbitco/nimble_ownership"
 
   def project do