diff --git a/packages/backend/src/server/api/EndpointsModule.ts b/packages/backend/src/server/api/EndpointsModule.ts
index fcd5059a5..af5a14b9b 100644
--- a/packages/backend/src/server/api/EndpointsModule.ts
+++ b/packages/backend/src/server/api/EndpointsModule.ts
@@ -31,6 +31,7 @@ import * as ep___admin_avatarDecorations_list from './endpoints/admin/avatar-dec
 import * as ep___admin_avatarDecorations_update from './endpoints/admin/avatar-decorations/update.js';
 import * as ep___admin_unsetUserAvatar from './endpoints/admin/unset-user-avatar.js';
 import * as ep___admin_unsetUserBanner from './endpoints/admin/unset-user-banner.js';
+import * as ep___admin_disposeCache from './endpoints/admin/dispose-cache.js';
 import * as ep___admin_drive_cleanRemoteFiles from './endpoints/admin/drive/clean-remote-files.js';
 import * as ep___admin_drive_cleanup from './endpoints/admin/drive/cleanup.js';
 import * as ep___admin_drive_deleteAllFilesOfAUser from './endpoints/admin/drive/delete-all-files-of-a-user.js';
@@ -421,6 +422,7 @@ const $admin_avatarDecorations_list: Provider = { provide: 'ep:admin/avatar-deco
 const $admin_avatarDecorations_update: Provider = { provide: 'ep:admin/avatar-decorations/update', useClass: ep___admin_avatarDecorations_update.default };
 const $admin_unsetUserAvatar: Provider = { provide: 'ep:admin/unset-user-avatar', useClass: ep___admin_unsetUserAvatar.default };
 const $admin_unsetUserBanner: Provider = { provide: 'ep:admin/unset-user-banner', useClass: ep___admin_unsetUserBanner.default };
+const $admin_disposeCache: Provider = { provide: 'ep:admin/dispose-cache', useClass: ep___admin_disposeCache.default };
 const $admin_drive_cleanRemoteFiles: Provider = { provide: 'ep:admin/drive/clean-remote-files', useClass: ep___admin_drive_cleanRemoteFiles.default };
 const $admin_drive_cleanup: Provider = { provide: 'ep:admin/drive/cleanup', useClass: ep___admin_drive_cleanup.default };
 const $admin_drive_deleteAllFilesOfAUser: Provider = { provide: 'ep:admin/drive/delete-all-files-of-a-user', useClass: ep___admin_drive_deleteAllFilesOfAUser.default };
@@ -815,6 +817,7 @@ const $reversi_verify: Provider = { provide: 'ep:reversi/verify', useClass: ep__
 		$admin_avatarDecorations_update,
 		$admin_unsetUserAvatar,
 		$admin_unsetUserBanner,
+		$admin_disposeCache,
 		$admin_drive_cleanRemoteFiles,
 		$admin_drive_cleanup,
 		$admin_drive_deleteAllFilesOfAUser,
@@ -1203,6 +1206,7 @@ const $reversi_verify: Provider = { provide: 'ep:reversi/verify', useClass: ep__
 		$admin_avatarDecorations_update,
 		$admin_unsetUserAvatar,
 		$admin_unsetUserBanner,
+		$admin_disposeCache,
 		$admin_drive_cleanRemoteFiles,
 		$admin_drive_cleanup,
 		$admin_drive_deleteAllFilesOfAUser,
diff --git a/packages/backend/src/server/api/endpoints.ts b/packages/backend/src/server/api/endpoints.ts
index 57322d3d5..599b04bea 100644
--- a/packages/backend/src/server/api/endpoints.ts
+++ b/packages/backend/src/server/api/endpoints.ts
@@ -31,6 +31,7 @@ import * as ep___admin_avatarDecorations_list from './endpoints/admin/avatar-dec
 import * as ep___admin_avatarDecorations_update from './endpoints/admin/avatar-decorations/update.js';
 import * as ep___admin_unsetUserAvatar from './endpoints/admin/unset-user-avatar.js';
 import * as ep___admin_unsetUserBanner from './endpoints/admin/unset-user-banner.js';
+import * as ep___admin_disposeCache from './endpoints/admin/dispose-cache.js';
 import * as ep___admin_drive_cleanRemoteFiles from './endpoints/admin/drive/clean-remote-files.js';
 import * as ep___admin_drive_cleanup from './endpoints/admin/drive/cleanup.js';
 import * as ep___admin_drive_deleteAllFilesOfAUser from './endpoints/admin/drive/delete-all-files-of-a-user.js';
@@ -419,6 +420,7 @@ const eps = [
 	['admin/avatar-decorations/update', ep___admin_avatarDecorations_update],
 	['admin/unset-user-avatar', ep___admin_unsetUserAvatar],
 	['admin/unset-user-banner', ep___admin_unsetUserBanner],
+	['admin/dispose-cache', ep___admin_disposeCache],
 	['admin/drive/clean-remote-files', ep___admin_drive_cleanRemoteFiles],
 	['admin/drive/cleanup', ep___admin_drive_cleanup],
 	['admin/drive/delete-all-files-of-a-user', ep___admin_drive_deleteAllFilesOfAUser],
diff --git a/packages/backend/src/server/api/endpoints/admin/dispose-cache.ts b/packages/backend/src/server/api/endpoints/admin/dispose-cache.ts
new file mode 100644
index 000000000..7efb913d4
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/admin/dispose-cache.ts
@@ -0,0 +1,33 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Injectable } from '@nestjs/common';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { CacheService } from '@/core/CacheService.js';
+
+export const meta = {
+	tags: ['admin'],
+
+	requireCredential: true,
+	requireAdmin: true,
+	secure: true,
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {},
+	required: [],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		private cacheService: CacheService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			this.cacheService.dispose();
+		});
+	}
+}
diff --git a/packages/misskey-js/src/autogen/apiClientJSDoc.ts b/packages/misskey-js/src/autogen/apiClientJSDoc.ts
index adefc2108..865e57005 100644
--- a/packages/misskey-js/src/autogen/apiClientJSDoc.ts
+++ b/packages/misskey-js/src/autogen/apiClientJSDoc.ts
@@ -278,6 +278,18 @@ declare module '../api.js' {
       credential?: string | null,
     ): Promise<SwitchCaseResponseType<E, P>>;
 
+    /**
+     * No description provided.
+     * 
+     * **Internal Endpoint**: This endpoint is an API for the misskey mainframe and is not intended for use by third parties.
+     * **Credential required**: *Yes*
+     */
+    request<E extends 'admin/dispose-cache', P extends Endpoints[E]['req']>(
+      endpoint: E,
+      params: P,
+      credential?: string | null,
+    ): Promise<SwitchCaseResponseType<E, P>>;
+
     /**
      * No description provided.
      * 
diff --git a/packages/misskey-js/src/autogen/endpoint.ts b/packages/misskey-js/src/autogen/endpoint.ts
index 518d5f0e0..0b28271b6 100644
--- a/packages/misskey-js/src/autogen/endpoint.ts
+++ b/packages/misskey-js/src/autogen/endpoint.ts
@@ -608,6 +608,7 @@ export type Endpoints = {
 	'admin/avatar-decorations/update': { req: AdminAvatarDecorationsUpdateRequest; res: EmptyResponse };
 	'admin/unset-user-avatar': { req: AdminUnsetUserAvatarRequest; res: EmptyResponse };
 	'admin/unset-user-banner': { req: AdminUnsetUserBannerRequest; res: EmptyResponse };
+	'admin/dispose-cache': { req: EmptyRequest; res: EmptyResponse };
 	'admin/drive/clean-remote-files': { req: EmptyRequest; res: EmptyResponse };
 	'admin/drive/cleanup': { req: EmptyRequest; res: EmptyResponse };
 	'admin/drive/delete-all-files-of-a-user': { req: AdminDriveDeleteAllFilesOfAUserRequest; res: EmptyResponse };
diff --git a/packages/misskey-js/src/autogen/types.ts b/packages/misskey-js/src/autogen/types.ts
index f58d5882d..a959a5b67 100644
--- a/packages/misskey-js/src/autogen/types.ts
+++ b/packages/misskey-js/src/autogen/types.ts
@@ -237,6 +237,16 @@ export type paths = {
      */
     post: operations['admin___unset-user-banner'];
   };
+  '/admin/dispose-cache': {
+    /**
+     * admin/dispose-cache
+     * @description No description provided.
+     *
+     * **Internal Endpoint**: This endpoint is an API for the misskey mainframe and is not intended for use by third parties.
+     * **Credential required**: *Yes*
+     */
+    post: operations['admin___dispose-cache'];
+  };
   '/admin/drive/clean-remote-files': {
     /**
      * admin/drive/clean-remote-files
@@ -4911,6 +4921,7 @@ export type components = {
       canSearchNotes: boolean;
       canUseTranslator: boolean;
       canUseDriveFileInSoundSettings: boolean;
+      canUseReaction: boolean;
       canHideAds: boolean;
       driveCapacityMb: number;
       alwaysMarkNsfw: boolean;
@@ -6820,6 +6831,51 @@ export type operations = {
       };
     };
   };
+  /**
+   * admin/dispose-cache
+   * @description No description provided.
+   *
+   * **Internal Endpoint**: This endpoint is an API for the misskey mainframe and is not intended for use by third parties.
+   * **Credential required**: *Yes*
+   */
+  'admin___dispose-cache': {
+    responses: {
+      /** @description OK (without any results) */
+      204: {
+        content: never;
+      };
+      /** @description Client error */
+      400: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description Authentication error */
+      401: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description Forbidden error */
+      403: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description I'm Ai */
+      418: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+      /** @description Internal server error */
+      500: {
+        content: {
+          'application/json': components['schemas']['Error'];
+        };
+      };
+    };
+  };
   /**
    * admin/drive/clean-remote-files
    * @description No description provided.