diff --git a/src/app.module.ts b/src/app.module.ts
index f5e9d11..bb4e646 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -11,7 +11,6 @@ import { RoomFactory } from './lib/RoomFactory'
   imports: [
     HttpModule,
     ConfigModule.forRoot({
-      envFilePath: '.env',
       load: [appConfig],
       isGlobal: true,
     }),
diff --git a/src/rooms/dto/rooms.dto.ts b/src/rooms/dto/rooms.dto.ts
index 952c127..f7cf899 100644
--- a/src/rooms/dto/rooms.dto.ts
+++ b/src/rooms/dto/rooms.dto.ts
@@ -36,7 +36,7 @@ export class CreateBroadcasterDto {
 
   @IsObject()
   @IsOptional()
-  rtpCapabilities?: any
+  rtpCapabilities?: mediasoup.types.RtpCapabilities
 }
 
 export class DeleteBroadcasterDto {
@@ -63,7 +63,7 @@ export class CreateBroadcasterTransportDto {
 
   @IsObject()
   @IsOptional()
-  sctpCapabilities?: any
+  sctpCapabilities?: mediasoup.types.SctpCapabilities
 }
 
 /**
@@ -176,5 +176,5 @@ export class RoomEventDto {
    * Optional RTP parameters associated with a producer or consumer.
    */
   @IsOptional()
-  rtpParameters?: any
+  rtpParameters?: mediasoup.types.RtpParameters
 }