diff --git a/config/webpack/production.js b/config/webpack/production.js
index 58c7fa69a..4966807a1 100644
--- a/config/webpack/production.js
+++ b/config/webpack/production.js
@@ -8,7 +8,7 @@ const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPl
 const OfflinePlugin = require('offline-plugin');
 const { publicPath } = require('./configuration.js');
 const path = require('path');
-const { URL } = require('whatwg-url');
+const { URL } = require('url');
 
 let compressionAlgorithm;
 try {
diff --git a/package.json b/package.json
index fdd8c3642..b0cdf562d 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "mastodon",
   "license": "AGPL-3.0-or-later",
   "engines": {
-    "node": ">=6"
+    "node": ">=8"
   },
   "scripts": {
     "postversion": "git push --tags",
@@ -122,8 +122,7 @@
     "webpack-cli": "^3.0.8",
     "webpack-manifest-plugin": "^2.0.3",
     "webpack-merge": "^4.1.3",
-    "websocket.js": "^0.1.12",
-    "whatwg-url": "^6.4.1"
+    "websocket.js": "^0.1.12"
   },
   "devDependencies": {
     "babel-eslint": "^8.2.6",
diff --git a/yarn.lock b/yarn.lock
index 423623300..2c257ff0a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4858,10 +4858,6 @@ lodash.mergewith@^4.6.0:
   version "4.6.1"
   resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.1.tgz#639057e726c3afbdb3e7d42741caa8d6e4335927"
 
-lodash.sortby@^4.7.0:
-  version "4.7.0"
-  resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
-
 lodash.tail@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/lodash.tail/-/lodash.tail-4.1.1.tgz#d2333a36d9e7717c8ad2f7cacafec7c32b444664"
@@ -8173,12 +8169,6 @@ tough-cookie@~2.3.0, tough-cookie@~2.3.3:
   dependencies:
     punycode "^1.4.1"
 
-tr46@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/tr46/-/tr46-1.0.1.tgz#a8b13fd6bfd2489519674ccde55ba3693b706d09"
-  dependencies:
-    punycode "^2.1.0"
-
 tr46@~0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
@@ -8469,7 +8459,7 @@ webidl-conversions@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
 
-webidl-conversions@^4.0.0, webidl-conversions@^4.0.2:
+webidl-conversions@^4.0.0:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
 
@@ -8645,14 +8635,6 @@ whatwg-url@^4.3.0:
     tr46 "~0.0.3"
     webidl-conversions "^3.0.0"
 
-whatwg-url@^6.4.1:
-  version "6.5.0"
-  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-6.5.0.tgz#f2df02bff176fd65070df74ad5ccbb5a199965a8"
-  dependencies:
-    lodash.sortby "^4.7.0"
-    tr46 "^1.0.1"
-    webidl-conversions "^4.0.2"
-
 whet.extend@~0.9.9:
   version "0.9.9"
   resolved "https://registry.yarnpkg.com/whet.extend/-/whet.extend-0.9.9.tgz#f877d5bf648c97e5aa542fadc16d6a259b9c11a1"