diff --git a/packages/@vuepress/core/lib/internal-plugins/frontmatterBlock/loader.js b/packages/@vuepress/core/lib/internal-plugins/frontmatterBlock/loader.js
index d5a799f53e..bb29becedc 100644
--- a/packages/@vuepress/core/lib/internal-plugins/frontmatterBlock/loader.js
+++ b/packages/@vuepress/core/lib/internal-plugins/frontmatterBlock/loader.js
@@ -1,7 +1,7 @@
 const { parseVueFrontmatter: { parseStrippedFrontmatter }} = require('@vuepress/shared-utils')
 const { frontmatterEmitter } = require('@vuepress/markdown-loader')
 const LRU = require('lru-cache')
-const cache = LRU({ max: 1000 })
+const cache = new LRU({ max: 1000 })
 
 module.exports = function (source, map) {
   const isProd = process.env.NODE_ENV === 'production'
diff --git a/packages/@vuepress/core/package.json b/packages/@vuepress/core/package.json
index fe3628600d..c02f07e12f 100644
--- a/packages/@vuepress/core/package.json
+++ b/packages/@vuepress/core/package.json
@@ -51,7 +51,7 @@
     "koa-mount": "^3.0.0",
     "koa-range": "^0.3.0",
     "koa-static": "^4.0.2",
-    "lru-cache": "^4.1.2",
+    "lru-cache": "^5.1.1",
     "mini-css-extract-plugin": "0.4.4",
     "optimize-css-assets-webpack-plugin": "^4.0.0",
     "portfinder": "^1.0.13",
diff --git a/packages/@vuepress/markdown-loader/index.js b/packages/@vuepress/markdown-loader/index.js
index f4fd02ab9b..2043fc9da6 100644
--- a/packages/@vuepress/markdown-loader/index.js
+++ b/packages/@vuepress/markdown-loader/index.js
@@ -10,8 +10,8 @@ const { fs, path, hash, parseFrontmatter, inferTitle, extractHeaders } = require
 const LRU = require('lru-cache')
 const md = require('@vuepress/markdown')
 
-const cache = LRU({ max: 1000 })
-const devCache = LRU({ max: 1000 })
+const cache = new LRU({ max: 1000 })
+const devCache = new LRU({ max: 1000 })
 
 /**
  * Expose markdown loader.
diff --git a/packages/@vuepress/markdown/__tests__/util.js b/packages/@vuepress/markdown/__tests__/util.js
index 3920b7df1b..da3b688578 100644
--- a/packages/@vuepress/markdown/__tests__/util.js
+++ b/packages/@vuepress/markdown/__tests__/util.js
@@ -2,7 +2,7 @@ import fs from 'fs-extra'
 import LRU from 'lru-cache'
 import path from 'path'
 
-const cache = LRU({ max: 1000 })
+const cache = new LRU({ max: 1000 })
 
 export function Md () {
   return require('markdown-it')()
diff --git a/packages/@vuepress/shared-utils/src/extractHeaders.ts b/packages/@vuepress/shared-utils/src/extractHeaders.ts
index 1efb7d175b..0ae54d23eb 100644
--- a/packages/@vuepress/shared-utils/src/extractHeaders.ts
+++ b/packages/@vuepress/shared-utils/src/extractHeaders.ts
@@ -10,7 +10,7 @@ import deeplyParseHeaders from './deeplyParseHeaders'
  * @returns {array}
  */
 
-const cache = LRU({ max: 1000 })
+const cache = new LRU({ max: 1000 })
 
 export = function (content: string, include = [], md: any) {
   const key = content + include.join(',')