diff --git a/serve/eventsource.ts b/serve/eventsource.ts
index 2dfcb4b..0018c90 100644
--- a/serve/eventsource.ts
+++ b/serve/eventsource.ts
@@ -16,7 +16,7 @@ export type EventSourceContext<State = {}> = {
 	event: (e: Event) => Promise<void>;
 	ended: boolean;
 	startResponse: (headers?: HeadersInit) => Promise<void>;
-	state: State;
+	state: Partial<State>;
 };
 
 type EventSourceHandler<State = {}> = (ctx: EventSourceContext<State>) => Promise<void>;
diff --git a/version.ts b/version.ts
index 5ce7ede..7d0eb37 100644
--- a/version.ts
+++ b/version.ts
@@ -1 +1 @@
-export const version = "2.0.0-alpha.11";
+export const version = "2.0.0-alpha.12";