diff --git a/package.json b/package.json
index 5be5d083..f765bb40 100644
--- a/package.json
+++ b/package.json
@@ -14,18 +14,18 @@
   },
   "devDependencies": {
     "@types/debug": "0.0.30",
-    "@types/express": "4.16.0",
+    "@types/express": "4.17.3",
     "@types/html-entities": "1.2.16",
     "@types/mocha": "5.2.2",
-    "@types/node": "10.3.4",
+    "@types/node": "16.4.1",
     "@types/request": "2.47.1",
     "@types/request-promise-native": "1.0.15",
     "express": "4.16.3",
     "mocha": "5.2.0",
-    "typescript": "2.9.2"
+    "typescript": "4.3.5"
   },
   "dependencies": {
-    "cheerio-httpcli": "0.7.4",
+    "cheerio-httpcli": "0.8.2",
     "debug": "3.1.0",
     "escape-regexp": "0.0.1",
     "html-entities": "1.2.1",
diff --git a/src/client.ts b/src/client.ts
new file mode 100644
index 00000000..33b2ab49
--- /dev/null
+++ b/src/client.ts
@@ -0,0 +1,13 @@
+import { version } from '../package.json';
+import * as client from 'cheerio-httpcli';
+
+client.set('headers', {
+	'User-Agent': `SummalyBot/${version}`
+});
+client.set('referer', false);
+client.set('timeout', 20000);
+client.set('maxDataSize', 10 * 1024 * 1024);
+
+export function createInstance() {
+	return client.fork();
+}
diff --git a/src/general.ts b/src/general.ts
index b4e03dea..74600c00 100644
--- a/src/general.ts
+++ b/src/general.ts
@@ -1,4 +1,3 @@
-import { name, version } from '../package.json';
 import * as URL from 'url';
 import * as request from 'request';
 import nullOrEmpty from './utils/null-or-empty';
@@ -8,21 +7,14 @@ import cleanupTitle from './utils/cleanup-title';
 import { AllHtmlEntities } from 'html-entities';
 const entities = new AllHtmlEntities();
 
-import * as client from 'cheerio-httpcli';
-
-// 単一インスタンスなのでamazonと値を揃えないといけない
-client.set('headers', {
-	'User-Agent': `SummalyBot/${version}`
-});
-client.set('referer', false);
-client.set('timeout', 10000);
-client.set('maxDataSize', 10 * 1024 * 1024);
-
+import { createInstance } from './client';
 import Summary from './summary';
 
 export default async (url: URL.Url, lang: string = null): Promise<Summary> => {
 	if (lang && !lang.match(/^[\w-]+(\s*,\s*[\w-]+)*$/)) lang = null;
 
+	const client = createInstance();
+
 	client.set('headers', {
 		'Accept-Language': lang
 	});
diff --git a/src/plugins/amazon.ts b/src/plugins/amazon.ts
index a6067c35..d15e5ea3 100644
--- a/src/plugins/amazon.ts
+++ b/src/plugins/amazon.ts
@@ -1,15 +1,7 @@
-import { name, version } from '../../package.json';
 import * as URL from 'url';
-import * as client from 'cheerio-httpcli';
+import { createInstance } from '../client';
 import summary from '../summary';
 
-client.set('headers', {
-	'User-Agent': `SummalyBot/${version}`
-});
-client.set('referer', false);
-client.set('timeout', 10000);
-client.set('maxDataSize', 10 * 1024 * 1024);
-
 export function test(url: URL.Url): boolean {
 	return url.hostname === 'www.amazon.com' ||
 	url.hostname === 'www.amazon.co.jp' ||
@@ -28,6 +20,8 @@ export function test(url: URL.Url): boolean {
 }
 
 export async function summarize(url: URL.Url): Promise<summary> {
+	const client = createInstance();
+
 	const res = await client.fetch(url.href);
 	const $ = res.$;