diff --git a/package-lock.json b/package-lock.json
index 7897cbe84..ba2624f86 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -8603,6 +8588,12 @@
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@@ -14473,6 +14479,12 @@
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@@ -15003,14 +15015,26 @@
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-      "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-1.1.2.tgz",
-      "integrity": "sha512-p10l/ayESzrBMYWRID6xbuCKh2Fp77+sA0doRuGn4tTIMrrZVeqfpKjXHY+oDh3K4nLdPgNwMTVP6Vp4pvqbNg==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-2.0.0.tgz",
+      "integrity": "sha512-4tzD0mF8iSiMiNs30BiLO3EpfGLZUT2MSX/G+o7ZywDzliWQ3OPtTZ0PTC3B3ca1UAf4cJMHB+2Bf56EriJuRA==",
       "dev": true,
       "requires": {
-        "domexception": "^1.0.1",
-        "webidl-conversions": "^4.0.2",
         "xml-name-validator": "^3.0.0"
       }
     },
@@ -44155,9 +44180,9 @@
       "integrity": "sha1-23hhKSU8tujq5UwvsF+HCvZnW64="
     },
     "webidl-conversions": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-4.0.2.tgz",
-      "integrity": "sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==",
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-6.1.0.tgz",
+      "integrity": "sha512-qBIvFLGiBpLjfwmYAaHPXsn+ho5xZnGvyGvsarywGNc8VyQJUMHJ8OBKGGrPER0okBeMDaan4mNBlgBROxuI8w==",
       "dev": true
     },
     "webpack": {
@@ -44645,14 +44670,14 @@
       "dev": true
     },
     "whatwg-url": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-7.1.0.tgz",
-      "integrity": "sha512-WUu7Rg1DroM7oQvGWfOiAK21n74Gg+T4elXEQYkOhtyLeWiJFoOGLXPKI/9gzIie9CtwVLm8wtw6YJdKyxSjeg==",
+      "version": "8.7.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-8.7.0.tgz",
+      "integrity": "sha512-gAojqb/m9Q8a5IV96E3fHJM70AzCkgt4uXYX2O7EmuyOnLrViCQlsEBmF9UQIu3/aeAIp2U17rtbpZWNntQqdg==",
       "dev": true,
       "requires": {
-        "lodash.sortby": "^4.7.0",
-        "tr46": "^1.0.1",
-        "webidl-conversions": "^4.0.2"
+        "lodash": "^4.7.0",
+        "tr46": "^2.1.0",
+        "webidl-conversions": "^6.1.0"
       }
     },
     "which": {
diff --git a/package.json b/package.json
index 222997995..354906ad9 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "html-webpack-plugin": "^3.2.0",
     "image-webpack-loader": "^4.3.1",
     "js-yaml": "^3.13.1",
-    "jsdom": "^15.2.1",
+    "jsdom": "^16.5.0",
     "mocha": "^6.1.4",
     "nyc": "^15.0.0",
     "sass": "^1.49.7",