diff --git a/package-lock.json b/package-lock.json
index 62c410156..c54d58baa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -223,9 +223,9 @@
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+      "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-6.0.0.tgz",
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+      "resolved": "https://registry.npmjs.org/cssstyle/-/cssstyle-2.3.0.tgz",
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       "requires": {
-        "cssom": "0.3.x"
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@@ -1993,25 +1996,13 @@
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@@ -2056,6 +2047,11 @@
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+      "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.3.1.tgz",
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@@ -2214,11 +2210,18 @@
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+      "resolved": "https://registry.npmjs.org/domexception/-/domexception-2.0.1.tgz",
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+        "webidl-conversions": "^5.0.0"
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+          "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-5.0.0.tgz",
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+        }
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@@ -2380,15 +2383,22 @@
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-        "esprima": "^3.1.3",
-        "estraverse": "^4.2.0",
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+        "estraverse": "^5.2.0",
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@@ -2573,9 +2583,9 @@
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-      "integrity": "sha1-/cpRzuYTOJXjyI1TXOSdv/YqRjM="
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@@ -2598,7 +2608,8 @@
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+      "integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM=",
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@@ -3370,12 +3381,14 @@
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@@ -3517,7 +3533,8 @@
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@@ -3529,6 +3546,7 @@
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@@ -3543,6 +3561,7 @@
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@@ -3574,6 +3595,7 @@
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@@ -3654,7 +3676,8 @@
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@@ -3849,12 +3876,14 @@
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@@ -4523,7 +4553,7 @@
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@@ -4900,16 +4930,16 @@
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@@ -5257,6 +5289,11 @@
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+      "resolved": "https://registry.npmjs.org/w3c-hr-time/-/w3c-hr-time-1.0.2.tgz",
+      "integrity": "sha512-z8P5DvDNjKDoFIHK7q8r8lackT6l+jo/Ye3HOle7l9nICP9lf1Ci25fy9vHd0JOWewkIFzXIEig3TdKT7JQ5fQ==",
       "requires": {
-        "browser-process-hrtime": "^0.1.2"
+        "browser-process-hrtime": "^1.0.0"
+      }
+    },
+    "w3c-xmlserializer": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-2.0.0.tgz",
+      "integrity": "sha512-4tzD0mF8iSiMiNs30BiLO3EpfGLZUT2MSX/G+o7ZywDzliWQ3OPtTZ0PTC3B3ca1UAf4cJMHB+2Bf56EriJuRA==",
+      "requires": {
+        "xml-name-validator": "^3.0.0"
       }
     },
     "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=="
     },
     "whatwg-encoding": {
       "version": "1.0.5",
@@ -8905,13 +9019,13 @@
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     },
     "whatwg-url": {
-      "version": "6.5.0",
-      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.5.0.tgz",
-      "integrity": "sha512-rhRZRqx/TLJQWUpQ6bmrt2UV4f0HCQ463yQuONJqC6fO2VoEb1pTYddbe59SkYq87aoM5A3bdhMZiUiVws+fzQ==",
+      "version": "8.7.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-8.7.0.tgz",
+      "integrity": "sha512-gAojqb/m9Q8a5IV96E3fHJM70AzCkgt4uXYX2O7EmuyOnLrViCQlsEBmF9UQIu3/aeAIp2U17rtbpZWNntQqdg==",
       "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": {
@@ -8994,6 +9108,11 @@
       "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",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
diff --git a/package.json b/package.json
index 18ead7ebc..19dcd4997 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "debug": "^4.1.0",
     "eventsource": "^1.0.5",
     "iconv-lite": "^0.4.21",
-    "jsdom": "11.12.0",
+    "jsdom": "16.5.0",
     "lodash": "^4.17.10",
     "mime": "^2.3.1",
     "ms": "^2.1.1",