diff --git a/hamh-alpha/CHANGELOG.md b/hamh-alpha/CHANGELOG.md
index 3a4253a..535f7a1 100644
--- a/hamh-alpha/CHANGELOG.md
+++ b/hamh-alpha/CHANGELOG.md
@@ -1,8 +1,8 @@
-# v2.1.0-alpha.449
+# v2.1.0-alpha.450
 
 ## Changes
 
-- fix(#230): replace blanket cooldown with expected-value matching (5d09c2d1)
+- fix(#218): expose mappedEntityIds on composed endpoints for WebSocket subscription (be094318)
 
 ---
 ⚠️ **This is an alpha release** - use at your own risk!
diff --git a/hamh-alpha/config.yaml b/hamh-alpha/config.yaml
index 8dde812..4bdced4 100644
--- a/hamh-alpha/config.yaml
+++ b/hamh-alpha/config.yaml
@@ -1,4 +1,4 @@
-version: "2.1.0-alpha.449"
+version: "2.1.0-alpha.450"
 image: ghcr.io/riddix/home-assistant-matter-hub-addon
 slug: hamh-alpha
 name: Home-Assistant-Matter-Hub (Alpha)