diff --git a/packages/backend/package.json b/packages/backend/package.json
index 777971527a..185651f394 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -158,7 +158,6 @@
 		"typescript": "5.1.6",
 		"ulid": "2.3.0",
 		"unzipper": "0.10.14",
-		"uuid": "9.0.0",
 		"vary": "1.1.2",
 		"web-push": "3.6.3",
 		"ws": "8.13.0",
@@ -201,7 +200,6 @@
 		"@types/tinycolor2": "1.4.3",
 		"@types/tmp": "0.2.3",
 		"@types/unzipper": "0.10.6",
-		"@types/uuid": "9.0.2",
 		"@types/vary": "1.1.0",
 		"@types/web-push": "3.3.2",
 		"@types/websocket": "1.0.5",
diff --git a/packages/backend/src/core/CreateSystemUserService.ts b/packages/backend/src/core/CreateSystemUserService.ts
index 0bfbe2b173..2741cb41ee 100644
--- a/packages/backend/src/core/CreateSystemUserService.ts
+++ b/packages/backend/src/core/CreateSystemUserService.ts
@@ -1,6 +1,6 @@
+import { randomUUID } from 'node:crypto';
 import { Inject, Injectable } from '@nestjs/common';
 import bcrypt from 'bcryptjs';
-import { v4 as uuid } from 'uuid';
 import { IsNull, DataSource } from 'typeorm';
 import { genRsaKeyPair } from '@/misc/gen-key-pair.js';
 import { User } from '@/models/entities/User.js';
@@ -24,7 +24,7 @@ export class CreateSystemUserService {
 
 	@bindThis
 	public async createSystemUser(username: string): Promise<User> {
-		const password = uuid();
+		const password = randomUUID();
 
 		// Generate hash of password
 		const salt = await bcrypt.genSalt(8);
diff --git a/packages/backend/src/core/DriveService.ts b/packages/backend/src/core/DriveService.ts
index 1483b55469..355e5e8c0d 100644
--- a/packages/backend/src/core/DriveService.ts
+++ b/packages/backend/src/core/DriveService.ts
@@ -1,6 +1,6 @@
+import { randomUUID } from 'node:crypto';
 import * as fs from 'node:fs';
 import { Inject, Injectable } from '@nestjs/common';
-import { v4 as uuid } from 'uuid';
 import sharp from 'sharp';
 import { sharpBmp } from 'sharp-read-bmp';
 import { IsNull } from 'typeorm';
@@ -162,7 +162,7 @@ export class DriveService {
 				?? `${ meta.objectStorageUseSSL ? 'https' : 'http' }://${ meta.objectStorageEndpoint }${ meta.objectStoragePort ? `:${meta.objectStoragePort}` : '' }/${ meta.objectStorageBucket }`;
 
 			// for original
-			const key = `${meta.objectStoragePrefix}/${uuid()}${ext}`;
+			const key = `${meta.objectStoragePrefix}/${randomUUID()}${ext}`;
 			const url = `${ baseUrl }/${ key }`;
 
 			// for alts
@@ -179,7 +179,7 @@ export class DriveService {
 			];
 
 			if (alts.webpublic) {
-				webpublicKey = `${meta.objectStoragePrefix}/webpublic-${uuid()}.${alts.webpublic.ext}`;
+				webpublicKey = `${meta.objectStoragePrefix}/webpublic-${randomUUID()}.${alts.webpublic.ext}`;
 				webpublicUrl = `${ baseUrl }/${ webpublicKey }`;
 
 				this.registerLogger.info(`uploading webpublic: ${webpublicKey}`);
@@ -187,7 +187,7 @@ export class DriveService {
 			}
 
 			if (alts.thumbnail) {
-				thumbnailKey = `${meta.objectStoragePrefix}/thumbnail-${uuid()}.${alts.thumbnail.ext}`;
+				thumbnailKey = `${meta.objectStoragePrefix}/thumbnail-${randomUUID()}.${alts.thumbnail.ext}`;
 				thumbnailUrl = `${ baseUrl }/${ thumbnailKey }`;
 
 				this.registerLogger.info(`uploading thumbnail: ${thumbnailKey}`);
@@ -212,9 +212,9 @@ export class DriveService {
 
 			return await this.driveFilesRepository.insert(file).then(x => this.driveFilesRepository.findOneByOrFail(x.identifiers[0]));
 		} else { // use internal storage
-			const accessKey = uuid();
-			const thumbnailAccessKey = 'thumbnail-' + uuid();
-			const webpublicAccessKey = 'webpublic-' + uuid();
+			const accessKey = randomUUID();
+			const thumbnailAccessKey = 'thumbnail-' + randomUUID();
+			const webpublicAccessKey = 'webpublic-' + randomUUID();
 
 			const url = this.internalStorageService.saveFromPath(accessKey, path);
 
@@ -584,9 +584,9 @@ export class DriveService {
 			if (isLink) {
 				file.url = url;
 				// ローカルプロキシ用
-				file.accessKey = uuid();
-				file.thumbnailAccessKey = 'thumbnail-' + uuid();
-				file.webpublicAccessKey = 'webpublic-' + uuid();
+				file.accessKey = randomUUID();
+				file.thumbnailAccessKey = 'thumbnail-' + randomUUID();
+				file.webpublicAccessKey = 'webpublic-' + randomUUID();
 			}
 		}
 
@@ -713,9 +713,9 @@ export class DriveService {
 				webpublicUrl: null,
 				storedInternal: false,
 				// ローカルプロキシ用
-				accessKey: uuid(),
-				thumbnailAccessKey: 'thumbnail-' + uuid(),
-				webpublicAccessKey: 'webpublic-' + uuid(),
+				accessKey: randomUUID(),
+				thumbnailAccessKey: 'thumbnail-' + randomUUID(),
+				webpublicAccessKey: 'webpublic-' + randomUUID(),
 			});
 		} else {
 			this.driveFilesRepository.delete(file.id);
diff --git a/packages/backend/src/core/QueueService.ts b/packages/backend/src/core/QueueService.ts
index e1da0516d1..d0d4f802ee 100644
--- a/packages/backend/src/core/QueueService.ts
+++ b/packages/backend/src/core/QueueService.ts
@@ -1,5 +1,5 @@
+import { randomUUID } from 'node:crypto';
 import { Inject, Injectable } from '@nestjs/common';
-import { v4 as uuid } from 'uuid';
 import type { IActivity } from '@/core/activitypub/type.js';
 import type { DriveFile } from '@/models/entities/DriveFile.js';
 import type { Webhook, webhookEventTypes } from '@/models/entities/Webhook.js';
@@ -416,7 +416,7 @@ export class QueueService {
 			to: webhook.url,
 			secret: webhook.secret,
 			createdAt: Date.now(),
-			eventId: uuid(),
+			eventId: randomUUID(),
 		};
 
 		return this.webhookDeliverQueue.add(webhook.id, data, {
diff --git a/packages/backend/src/core/activitypub/ApRendererService.ts b/packages/backend/src/core/activitypub/ApRendererService.ts
index 95e3a936d2..797c6267b1 100644
--- a/packages/backend/src/core/activitypub/ApRendererService.ts
+++ b/packages/backend/src/core/activitypub/ApRendererService.ts
@@ -1,7 +1,6 @@
-import { createPublicKey } from 'node:crypto';
+import { createPublicKey, randomUUID } from 'node:crypto';
 import { Inject, Injectable } from '@nestjs/common';
 import { In } from 'typeorm';
-import { v4 as uuid } from 'uuid';
 import * as mfm from 'mfm-js';
 import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
@@ -613,7 +612,7 @@ export class ApRendererService {
 	@bindThis
 	public addContext<T extends IObject>(x: T): T & { '@context': any; id: string; } {
 		if (typeof x === 'object' && x.id == null) {
-			x.id = `${this.config.url}/${uuid()}`;
+			x.id = `${this.config.url}/${randomUUID()}`;
 		}
 
 		return Object.assign({
diff --git a/packages/backend/src/server/api/ApiCallService.ts b/packages/backend/src/server/api/ApiCallService.ts
index 09e3724394..c4c02e7afe 100644
--- a/packages/backend/src/server/api/ApiCallService.ts
+++ b/packages/backend/src/server/api/ApiCallService.ts
@@ -1,8 +1,8 @@
+import { randomUUID } from 'node:crypto';
 import { pipeline } from 'node:stream';
 import * as fs from 'node:fs';
 import { promisify } from 'node:util';
 import { Inject, Injectable } from '@nestjs/common';
-import { v4 as uuid } from 'uuid';
 import { DI } from '@/di-symbols.js';
 import { getIpHash } from '@/misc/get-ip-hash.js';
 import type { LocalUser, User } from '@/models/entities/User.js';
@@ -362,7 +362,7 @@ export class ApiCallService implements OnApplicationShutdown {
 			if (err instanceof ApiError || err instanceof AuthenticationError) {
 				throw err;
 			} else {
-				const errId = uuid();
+				const errId = randomUUID();
 				this.logger.error(`Internal error occurred in ${ep.name}: ${err.message}`, {
 					ep: ep.name,
 					ps: data,
diff --git a/packages/backend/src/server/api/endpoints/auth/session/generate.ts b/packages/backend/src/server/api/endpoints/auth/session/generate.ts
index 6108d8202d..631fb4f024 100644
--- a/packages/backend/src/server/api/endpoints/auth/session/generate.ts
+++ b/packages/backend/src/server/api/endpoints/auth/session/generate.ts
@@ -1,4 +1,4 @@
-import { v4 as uuid } from 'uuid';
+import { randomUUID } from 'node:crypto';
 import { Inject, Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import type { AppsRepository, AuthSessionsRepository } from '@/models/index.js';
@@ -71,7 +71,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 			}
 
 			// Generate token
-			const token = uuid();
+			const token = randomUUID();
 
 			// Create session token document
 			const doc = await this.authSessionsRepository.insert({
diff --git a/packages/backend/src/server/web/ClientServerService.ts b/packages/backend/src/server/web/ClientServerService.ts
index 07ba2731c3..b5eea07775 100644
--- a/packages/backend/src/server/web/ClientServerService.ts
+++ b/packages/backend/src/server/web/ClientServerService.ts
@@ -1,7 +1,7 @@
+import { randomUUID } from 'node:crypto';
 import { dirname } from 'node:path';
 import { fileURLToPath } from 'node:url';
 import { Inject, Injectable } from '@nestjs/common';
-import { v4 as uuid } from 'uuid';
 import { createBullBoard } from '@bull-board/api';
 import { BullAdapter } from '@bull-board/api/bullAdapter.js';
 import { FastifyAdapter } from '@bull-board/fastify';
@@ -676,7 +676,7 @@ export class ClientServerService {
 		});
 
 		fastify.setErrorHandler(async (error, request, reply) => {
-			const errId = uuid();
+			const errId = randomUUID();
 			this.clientLoggerService.logger.error(`Internal error occured in ${request.routerPath}: ${error.message}`, {
 				path: request.routerPath,
 				params: request.params,
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 73a7cb1674..d97a8b7980 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -380,9 +380,6 @@ importers:
       unzipper:
         specifier: 0.10.14
         version: 0.10.14
-      uuid:
-        specifier: 9.0.0
-        version: 9.0.0
       vary:
         specifier: 1.1.2
         version: 1.1.2
@@ -586,9 +583,6 @@ importers:
       '@types/unzipper':
         specifier: 0.10.6
         version: 0.10.6
-      '@types/uuid':
-        specifier: 9.0.2
-        version: 9.0.2
       '@types/vary':
         specifier: 1.1.0
         version: 1.1.0