diff --git a/package.json b/package.json
index da33a0634..aa6bb04e7 100644
--- a/package.json
+++ b/package.json
@@ -128,7 +128,7 @@
     "@types/express": "4.17.17",
     "@types/fs-extra": "11.0.1",
     "@types/jest-axe": "3.5.5",
-    "@types/jsdom": "20.0.1",
+    "@types/jsdom": "21.1.0",
     "@types/markdown-it": "12.2.3",
     "@types/node": "18.13.0",
     "@types/raf-schd": "4.0.1",
@@ -173,7 +173,7 @@
     "jest-environment-jsdom": "29.4.3",
     "jest-junit": "14.0.1",
     "jest-watch-typeahead": "2.2.2",
-    "jsdom": "20.0.3",
+    "jsdom": "21.1.0",
     "lighthouse": "9.6.8",
     "markdown-it": "13.0.1",
     "memory-fs": "0.5.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9ca9a9fb3..49989ec81 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -47,7 +47,7 @@ specifiers:
   '@types/express': 4.17.17
   '@types/fs-extra': 11.0.1
   '@types/jest-axe': 3.5.5
-  '@types/jsdom': 20.0.1
+  '@types/jsdom': 21.1.0
   '@types/markdown-it': 12.2.3
   '@types/node': 18.13.0
   '@types/raf-schd': 4.0.1
@@ -93,7 +93,7 @@ specifiers:
   jest-environment-jsdom: 29.4.3
   jest-junit: 14.0.1
   jest-watch-typeahead: 2.2.2
-  jsdom: 20.0.3
+  jsdom: 21.1.0
   lighthouse: 9.6.8
   markdown-it: 13.0.1
   memoize-one: ^6.0.0
@@ -184,7 +184,7 @@ devDependencies:
   '@types/express': 4.17.17
   '@types/fs-extra': 11.0.1
   '@types/jest-axe': 3.5.5
-  '@types/jsdom': 20.0.1
+  '@types/jsdom': 21.1.0
   '@types/markdown-it': 12.2.3
   '@types/node': 18.13.0
   '@types/raf-schd': 4.0.1
@@ -229,7 +229,7 @@ devDependencies:
   jest-environment-jsdom: 29.4.3
   jest-junit: 14.0.1
   jest-watch-typeahead: 2.2.2_jest@29.4.3
-  jsdom: 20.0.3
+  jsdom: 21.1.0
   lighthouse: 9.6.8
   markdown-it: 13.0.1
   memory-fs: 0.5.0
@@ -4948,7 +4948,15 @@ packages:
     dependencies:
       '@types/node': 18.13.0
       '@types/tough-cookie': 4.0.2
-      parse5: 7.0.0
+      parse5: 7.1.2
+    dev: true
+
+  /@types/jsdom/21.1.0:
+    resolution: {integrity: sha512-leWreJOdnuIxq9Y70tBVm/bvTuh31DSlF/r4l7Cfi4uhVQqLHD0Q4v301GMisEMwwbMgF7ZKxuZ+Jbd4NcdmRw==}
+    dependencies:
+      '@types/node': 18.13.0
+      '@types/tough-cookie': 4.0.2
+      parse5: 7.1.2
     dev: true
 
   /@types/json-schema/7.0.11:
@@ -5665,12 +5673,6 @@ packages:
     hasBin: true
     dev: true
 
-  /acorn/8.8.0:
-    resolution: {integrity: sha512-QOxyigPVrpZ2GXT+PFyZTl6TtOFc5egxHIP9IlQ+RbupQuX4RkT/Bee4/kQuC02Xkzg84JcT7oLYtDIQxp+v7w==}
-    engines: {node: '>=0.4.0'}
-    hasBin: true
-    dev: true
-
   /acorn/8.8.2:
     resolution: {integrity: sha512-xjIYgE8HBrkpd/sJqOGNspf8uHG+NOHGOw6a/Urj8taM2EXfdNAH2oFcPeIFfsv3+kz/mJrS5VuMqbNLjCa2vw==}
     engines: {node: '>=0.4.0'}
@@ -8687,11 +8689,6 @@ packages:
     engines: {node: '>=0.12'}
     dev: true
 
-  /entities/4.3.1:
-    resolution: {integrity: sha512-o4q/dYJlmyjP2zfnaWDUC6A3BQFmVTX+tZPezK7k0GLSU9QYCauscf5Y+qcEPzKL+EixVouYDgLQK5H9GrLpkg==}
-    engines: {node: '>=0.12'}
-    dev: true
-
   /entities/4.4.0:
     resolution: {integrity: sha512-oYp7156SP8LkeGD0GF85ad1X9Ai79WtRsZ2gxJqtBuzH+98YUV6jkHEKlZkMbcrjJjIVJNIDP/3WL9wQkoPbWA==}
     engines: {node: '>=0.12'}
@@ -12530,6 +12527,47 @@ packages:
       - utf-8-validate
     dev: true
 
+  /jsdom/21.1.0:
+    resolution: {integrity: sha512-m0lzlP7qOtthD918nenK3hdItSd2I+V3W9IrBcB36sqDwG+KnUs66IF5GY7laGWUnlM9vTsD0W1QwSEBYWWcJg==}
+    engines: {node: '>=14'}
+    peerDependencies:
+      canvas: ^2.5.0
+    peerDependenciesMeta:
+      canvas:
+        optional: true
+    dependencies:
+      abab: 2.0.6
+      acorn: 8.8.2
+      acorn-globals: 7.0.1
+      cssom: 0.5.0
+      cssstyle: 2.3.0
+      data-urls: 3.0.2
+      decimal.js: 10.4.3
+      domexception: 4.0.0
+      escodegen: 2.0.0
+      form-data: 4.0.0
+      html-encoding-sniffer: 3.0.0
+      http-proxy-agent: 5.0.0
+      https-proxy-agent: 5.0.1
+      is-potential-custom-element-name: 1.0.1
+      nwsapi: 2.2.2
+      parse5: 7.1.2
+      saxes: 6.0.0
+      symbol-tree: 3.2.4
+      tough-cookie: 4.1.2
+      w3c-xmlserializer: 4.0.0
+      webidl-conversions: 7.0.0
+      whatwg-encoding: 2.0.0
+      whatwg-mimetype: 3.0.0
+      whatwg-url: 11.0.0
+      ws: 8.12.1
+      xml-name-validator: 4.0.0
+    transitivePeerDependencies:
+      - bufferutil
+      - supports-color
+      - utf-8-validate
+    dev: true
+
   /jsesc/0.5.0:
     resolution: {integrity: sha512-uZz5UnB7u4T9LvwmFqXii7pZSouaRPorGs5who1Ip7VO0wxanFvBL7GkM6dTHlgX+jhBApRetaWpnDabOeTcnA==}
     hasBin: true
@@ -14289,12 +14327,6 @@ packages:
     resolution: {integrity: sha512-Ofn/CTFzRGTTxwpNEs9PP93gXShHcTq255nzRYSKe8AkVpZY7e1fpmTfOyoIvjP5HG7Z2ZM7VS9PPhQGW2pOpw==}
     dev: true
 
-  /parse5/7.0.0:
-    resolution: {integrity: sha512-y/t8IXSPWTuRZqXc0ajH/UwDj4mnqLEbSttNbThcFhGrZuOyoyvNBO85PBp2jQa55wY9d07PBNjsK8ZP3K5U6g==}
-    dependencies:
-      entities: 4.3.1
-    dev: true
-
   /parse5/7.1.2:
     resolution: {integrity: sha512-Czj1WaSVpaoj0wbhMzLmWD69anp2WH7FXMB9n1Sy8/ZFF9jolSQVMu1Ij5WIyGmcBmhk7EOndpO4mIpihVqAXw==}
     dependencies:
@@ -16994,7 +17026,7 @@ packages:
     hasBin: true
     dependencies:
       '@jridgewell/source-map': 0.3.2
-      acorn: 8.8.0
+      acorn: 8.8.2
       commander: 2.20.3
       source-map-support: 0.5.21
     dev: true