diff --git a/package-lock.json b/package-lock.json
index 7a541891..6f8beca4 100644
--- a/package-lock.json
+++ b/package-lock.json
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-        "webidl-conversions": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
-          "integrity": "sha1-JFNCdeKnvGvnvIZhHMFq4KVlSHE="
-        }
+        "lodash": "^4.7.0",
+        "tr46": "^2.1.0",
+        "webidl-conversions": "^6.1.0"
       }
     },
     "which": {
@@ -17175,6 +17442,11 @@
         "signal-exit": "^3.0.2"
       }
     },
+    "ws": {
+      "version": "7.5.8",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.8.tgz",
+      "integrity": "sha512-ri1Id1WinAX5Jqn9HejiGb8crfRio0Qgu8+MtL36rlTA6RLsMdWt1Az/19A2Qij6uSHUMphEFaTKa4WG+UNHNw=="
+    },
     "x-xss-protection": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/x-xss-protection/-/x-xss-protection-1.1.0.tgz",
@@ -17187,9 +17459,14 @@
       "dev": true
     },
     "xml-name-validator": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-2.0.1.tgz",
-      "integrity": "sha1-TYuPHszTQZqjYgYb7O9RXh5VljU="
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-3.0.0.tgz",
+      "integrity": "sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw=="
+    },
+    "xmlchars": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/xmlchars/-/xmlchars-2.2.0.tgz",
+      "integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw=="
     },
     "xtend": {
       "version": "4.0.1",
@@ -17253,6 +17530,7 @@
       "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
       "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
       "dev": true,
+      "optional": true,
       "requires": {
         "buffer-crc32": "~0.2.3",
         "fd-slicer": "~1.1.0"
diff --git a/package.json b/package.json
index 85b55eee..e051c89e 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "express": "^4.16.4",
     "helmet": "^3.15.1",
     "isomorphic-fetch": "^2.2.1",
-    "jsdom": "^9.4.2",
+    "jsdom": "^16.5.0",
     "json-loader": "^0.5.4",
     "mini-css-extract-plugin": "^0.5.0",
     "moment": "^2.24.0",