diff --git a/packages/backend/src/models/json-schema/meta.ts b/packages/backend/src/models/json-schema/meta.ts
index 2ae33c5a8c..352fd2adfa 100644
--- a/packages/backend/src/models/json-schema/meta.ts
+++ b/packages/backend/src/models/json-schema/meta.ts
@@ -278,7 +278,7 @@ export const packedMetaDetailedOnlySchema = {
 	properties: {
 		features: {
 			type: 'object',
-			optional: true, nullable: false,
+			optional: false, nullable: false,
 			properties: {
 				registration: {
 					type: 'boolean',
diff --git a/packages/misskey-js/etc/misskey-js.api.md b/packages/misskey-js/etc/misskey-js.api.md
index 8e1f1014da..fb944b48d2 100644
--- a/packages/misskey-js/etc/misskey-js.api.md
+++ b/packages/misskey-js/etc/misskey-js.api.md
@@ -3356,8 +3356,8 @@ type UsersUpdateMemoRequest = operations['users___update-memo']['requestBody']['
 // Warnings were encountered during analysis:
 //
 // src/entities.ts:49:2 - (ae-forgotten-export) The symbol "ModerationLogPayloads" needs to be exported by the entry point index.d.ts
-// src/streaming.types.ts:236:4 - (ae-forgotten-export) The symbol "ReversiUpdateKey" needs to be exported by the entry point index.d.ts
-// src/streaming.types.ts:246:4 - (ae-forgotten-export) The symbol "ReversiUpdateSettings" needs to be exported by the entry point index.d.ts
+// src/streaming.types.ts:240:4 - (ae-forgotten-export) The symbol "ReversiUpdateKey" needs to be exported by the entry point index.d.ts
+// src/streaming.types.ts:250:4 - (ae-forgotten-export) The symbol "ReversiUpdateSettings" needs to be exported by the entry point index.d.ts
 
 // (No @packageDocumentation comment for this package)
 
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index e687dc2b0e..004d45fa64 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -5118,7 +5118,7 @@ export type components = {
       noteSearchableScope: 'local' | 'global';
     };
     MetaDetailedOnly: {
-      features?: {
+      features: {
         registration: boolean;
         emailRequiredForSignup: boolean;
         localTimeline: boolean;