diff --git a/packages/backend/src/core/entities/MetaEntityService.ts b/packages/backend/src/core/entities/MetaEntityService.ts
index 90e7125026..b21185183d 100644
--- a/packages/backend/src/core/entities/MetaEntityService.ts
+++ b/packages/backend/src/core/entities/MetaEntityService.ts
@@ -137,8 +137,11 @@ export class MetaEntityService {
 				registration: !instance.disableRegistration,
 				emailRequiredForSignup: instance.emailRequiredForSignup,
 				hCaptcha: instance.enableHcaptcha,
+				hcaptcha: instance.enableHcaptcha,
 				mCaptcha: instance.enableMcaptcha,
+				mcaptcha: instance.enableMcaptcha,
 				reCaptcha: instance.enableRecaptcha,
+				recaptcha: instance.enableRecaptcha,
 				turnstile: instance.enableTurnstile,
 				objectStorage: instance.useObjectStorage,
 				serviceWorker: instance.enableServiceWorker,
diff --git a/packages/backend/src/models/json-schema/meta.ts b/packages/backend/src/models/json-schema/meta.ts
index 4d487959ef..150b94a18f 100644
--- a/packages/backend/src/models/json-schema/meta.ts
+++ b/packages/backend/src/models/json-schema/meta.ts
@@ -267,14 +267,29 @@ export const packedMetaDetailedOnlySchema = {
 					type: 'boolean',
 					optional: false, nullable: false,
 				},
+				hcaptcha: {
+					type: 'boolean',
+					optional: false, nullable: false,
+					description: 'Alias of hCaptcha',
+				},
 				mCaptcha: {
 					type: 'boolean',
 					optional: false, nullable: false,
 				},
+				mcaptcha: {
+					type: 'boolean',
+					optional: false, nullable: false,
+					description: 'Alias of mCaptcha',
+				},
 				reCaptcha: {
 					type: 'boolean',
 					optional: false, nullable: false,
 				},
+				recaptcha: {
+					type: 'boolean',
+					optional: false, nullable: false,
+					description: 'Alias of reCaptcha',
+				},
 				turnstile: {
 					type: 'boolean',
 					optional: false, nullable: false,
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index aa9544d6a5..4216568214 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -4958,8 +4958,14 @@ export type components = {
         localTimeline: boolean;
         globalTimeline: boolean;
         hCaptcha: boolean;
+        /** @description Alias of hCaptcha */
+        hcaptcha: boolean;
         mCaptcha: boolean;
+        /** @description Alias of mCaptcha */
+        mcaptcha: boolean;
         reCaptcha: boolean;
+        /** @description Alias of reCaptcha */
+        recaptcha: boolean;
         turnstile: boolean;
         objectStorage: boolean;
         serviceWorker: boolean;