diff --git a/apps/server/src/network/handlers/room/registerRoomHandlers.ts b/apps/server/src/network/handlers/room/registerRoomHandlers.ts
index 3135a6a..92d2bde 100644
--- a/apps/server/src/network/handlers/room/registerRoomHandlers.ts
+++ b/apps/server/src/network/handlers/room/registerRoomHandlers.ts
@@ -15,6 +15,7 @@
   isLobbySettingsUpdatePayload,
 } from "@server/network/validation/socketPayloadValidators";
 import type { RoomOutputAdapter } from "./createRoomOutputAdapter";
+import type { LobbySettingsUpdatePayload } from "@repo/shared";
 import {
   handleJoinRoomEvent,
   handleLobbySettingsUpdateEvent,
@@ -36,7 +37,7 @@
 
 type LobbySettingsUpdateEventDefinition = GuardedEventDefinition<
   typeof protocol.SocketEvents.LOBBY_SETTINGS_UPDATE,
-  LobbySettingsUpdateOrchestratorDeps["roomManager"] extends infer _ ? Parameters<typeof handleLobbySettingsUpdateEvent>[1] : never
+  LobbySettingsUpdatePayload
 >;
 
 /** ルームイベント調停で利用する依存束を生成する */