diff --git a/hamh-alpha/CHANGELOG.md b/hamh-alpha/CHANGELOG.md
index 4c02d59..3a70ff1 100644
--- a/hamh-alpha/CHANGELOG.md
+++ b/hamh-alpha/CHANGELOG.md
@@ -1,8 +1,8 @@
-# v2.1.0-alpha.451
+# v2.1.0-alpha.452
 
 ## Changes
 
-- fix(#219): protect optimistic onOff from stale HA state reverts (ee1ce15c)
+- fix(#219): cross-cluster OnOff↔FanControl sync per Matter spec §4.4.6.6.1 (13b9abbe)
 
 ---
 ⚠️ **This is an alpha release** - use at your own risk!
diff --git a/hamh-alpha/config.yaml b/hamh-alpha/config.yaml
index 05be397..fd46f90 100644
--- a/hamh-alpha/config.yaml
+++ b/hamh-alpha/config.yaml
@@ -1,4 +1,4 @@
-version: "2.1.0-alpha.451"
+version: "2.1.0-alpha.452"
 image: ghcr.io/riddix/home-assistant-matter-hub-addon
 slug: hamh-alpha
 name: Home-Assistant-Matter-Hub (Alpha)