diff --git a/src/homeassistant.ts b/src/homeassistant.ts
index 34f84ec..c151466 100644
--- a/src/homeassistant.ts
+++ b/src/homeassistant.ts
@@ -35,6 +35,12 @@ export type API_HA_DeskPosition = {
 export type HA_Update = {
 	entity_id: string;
 	state: string;
-	attributes: unknown;
+	attributes: {
+		state_class?: string;
+		unit_of_measurement?: string;
+		icon?: string;
+		friendly_name?: string;
+		[key: string]: unknown;
+	};
 	timestamp: string; // datetime string
-}
+};