diff --git a/package.json b/package.json
index 1db4f2c..7e047fd 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
   "devDependencies": {
     "@types/jest": "^26.0.16",
     "@types/js-yaml": "^3.12.1",
-    "@types/jsdom": "^16.2.5",
+    "@types/jsdom": "^21.0.0",
     "@types/json5": "^0.0.30",
     "@types/memory-fs": "^0.3.2",
     "@types/node": "^14.14.10",
diff --git a/yarn.lock b/yarn.lock
index fcb2613..8a90f1c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -807,14 +807,14 @@
   resolved "https://registry.yarnpkg.com/@types/js-yaml/-/js-yaml-3.12.6.tgz#7f10c926aa41e189a2755c4c7fcf8e4573bd7ac1"
   integrity sha512-cK4XqrLvP17X6c0C8n4iTbT59EixqyXL3Fk8/Rsk4dF3oX4dg70gYUXrXVUUHpnsGMPNlTQMqf+TVmNPX6FmSQ==
 
-"@types/jsdom@^16.2.5":
-  version "16.2.6"
-  resolved "https://registry.yarnpkg.com/@types/jsdom/-/jsdom-16.2.6.tgz#9ddf0521e49be5365797e690c3ba63148e562c29"
-  integrity sha512-yQA+HxknGtW9AkRTNyiSH3OKW5V+WzO8OPTdne99XwJkYC+KYxfNIcoJjeiSqP3V00PUUpFP6Myoo9wdIu78DQ==
+"@types/jsdom@^21.0.0":
+  version "21.1.6"
+  resolved "https://registry.yarnpkg.com/@types/jsdom/-/jsdom-21.1.6.tgz#bcbc7b245787ea863f3da1ef19aa1dcfb9271a1b"
+  integrity sha512-/7kkMsC+/kMs7gAYmmBR9P0vGTnOoLhQhyhQJSlXGI5bzTHp6xdo0TtKWQAsz6pmSAeVqKSbqeyP6hytqr9FDw==
   dependencies:
     "@types/node" "*"
-    "@types/parse5" "*"
     "@types/tough-cookie" "*"
+    parse5 "^7.0.0"
 
 "@types/json-schema@^7.0.3", "@types/json-schema@^7.0.5":
   version "7.0.7"
@@ -858,11 +858,6 @@
   resolved "https://registry.yarnpkg.com/@types/normalize-package-data/-/normalize-package-data-2.4.0.tgz#e486d0d97396d79beedd0a6e33f4534ff6b4973e"
   integrity sha512-f5j5b/Gf71L+dbqxIpQ4Z2WlmI/mPJ0fOkGGmFgtb6sAu97EPczzbS3/tJKxmcYDj55OX6ssqwDAWOHIYDRDGA==
 
-"@types/parse5@*":
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/@types/parse5/-/parse5-6.0.0.tgz#38590dc2c3cf5717154064e3ee9b6947ee21b299"
-  integrity sha512-oPwPSj4a1wu9rsXTEGIJz91ISU725t0BmSnUhb57sI+M8XEmvUop84lzuiYdq0Y5M6xLY8DBPg0C2xEQKLyvBA==
-
 "@types/prettier@^2.0.0":
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/@types/prettier/-/prettier-2.2.2.tgz#e2280c89ddcbeef340099d6968d8c86ba155fdf6"
@@ -3017,6 +3012,11 @@ enquirer@^2.3.5:
   dependencies:
     ansi-colors "^4.1.1"
 
+entities@^4.4.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-4.5.0.tgz#5d268ea5e7113ec74c4d033b79ea5a35a488fb48"
+  integrity sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==
+
 err-code@^1.0.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/err-code/-/err-code-1.1.2.tgz#06e0116d3028f6aef4806849eb0ea6a748ae6960"
@@ -6523,6 +6523,13 @@ parse5@^5.1.1:
   resolved "https://registry.yarnpkg.com/parse5/-/parse5-5.1.1.tgz#f68e4e5ba1852ac2cadc00f4555fff6c2abb6178"
   integrity sha512-ugq4DFI0Ptb+WWjAdOK16+u/nHfiIrcE+sh8kZMaM0WllQKLI9rOUq6c2b7cwPkXdzfQESqvoqK6ug7U/Yyzug==
 
+parse5@^7.0.0:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/parse5/-/parse5-7.1.2.tgz#0736bebbfd77793823240a23b7fc5e010b7f8e32"
+  integrity sha512-Czj1WaSVpaoj0wbhMzLmWD69anp2WH7FXMB9n1Sy8/ZFF9jolSQVMu1Ij5WIyGmcBmhk7EOndpO4mIpihVqAXw==
+  dependencies:
+    entities "^4.4.0"
+
 parseurl@~1.3.2, parseurl@~1.3.3:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"