diff --git a/package-lock.json b/package-lock.json
index 97167c00..68bfafd8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7280,11 +7280,6 @@
         }
       }
     },
-    "mkdirp": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
-      "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw=="
-    },
     "mobx": {
       "version": "5.15.7",
       "resolved": "https://registry.npmjs.org/mobx/-/mobx-5.15.7.tgz",
diff --git a/package.json b/package.json
index 7877d05a..e9ba8f9c 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,6 @@
     "filesize": "^6.1.0",
     "gzip-size": "^5.1.1",
     "lodash": "^4.17.20",
-    "mkdirp": "^1.0.4",
     "opener": "^1.5.2",
     "ws": "^7.3.1"
   },
diff --git a/src/BundleAnalyzerPlugin.js b/src/BundleAnalyzerPlugin.js
index e2bc2d34..bc37f1de 100644
--- a/src/BundleAnalyzerPlugin.js
+++ b/src/BundleAnalyzerPlugin.js
@@ -1,5 +1,5 @@
+const fs = require('fs');
 const path = require('path');
-const mkdir = require('mkdirp');
 const {bold} = require('chalk');
 
 const Logger = require('./Logger');
@@ -80,7 +80,7 @@ class BundleAnalyzerPlugin {
 
   async generateStatsFile(stats) {
     const statsFilepath = path.resolve(this.compiler.outputPath, this.opts.statsFilename);
-    mkdir.sync(path.dirname(statsFilepath));
+    await fs.promises.mkdir(path.dirname(statsFilepath), {recursive: true});
 
     try {
       await writeStats(stats, statsFilepath);
diff --git a/src/viewer.js b/src/viewer.js
index 6cb6d0b3..c259eede 100644
--- a/src/viewer.js
+++ b/src/viewer.js
@@ -6,7 +6,6 @@ const WebSocket = require('ws');
 const _ = require('lodash');
 const express = require('express');
 const ejs = require('ejs');
-const mkdir = require('mkdirp');
 const {bold} = require('chalk');
 
 const Logger = require('./Logger');
@@ -163,7 +162,7 @@ async function generateReport(bundleStats, opts) {
 
           const reportFilepath = path.resolve(bundleDir || process.cwd(), reportFilename);
 
-          mkdir.sync(path.dirname(reportFilepath));
+          fs.mkdirSync(path.dirname(reportFilepath), {recursive: true});
           fs.writeFileSync(reportFilepath, reportHtml);
 
           logger.info(`${bold('Webpack Bundle Analyzer')} saved report to ${bold(reportFilepath)}`);
@@ -187,8 +186,8 @@ async function generateJSONReport(bundleStats, opts) {
 
   if (!chartData) return;
 
-  mkdir.sync(path.dirname(reportFilename));
-  fs.writeFileSync(reportFilename, JSON.stringify(chartData));
+  await fs.promises.mkdir(path.dirname(reportFilename), {recursive: true});
+  await fs.promises.writeFile(reportFilename, JSON.stringify(chartData));
 
   logger.info(`${bold('Webpack Bundle Analyzer')} saved JSON report to ${bold(reportFilename)}`);
 }