diff --git a/CHANGELOG.md b/CHANGELOG.md
index 85398fd7..96b00605 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@
 
 This project follows [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [v8.6.6] - 2024-12-13
+
+### Added
+
+* Handle incoming Multi Channel Association commands for endpoint associations ([#1029](https://github.com/smartrent/grizzly/pull/1029))
+
 ## [v8.6.5] - 2024-12-05
 
 ### Fixed
diff --git a/mix.exs b/mix.exs
index 69ab0c10..348827bc 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule Grizzly.MixProject do
   use Mix.Project
 
-  @version "8.6.5"
+  @version "8.6.6"
 
   def project do
     [