diff --git a/package-lock.json b/package-lock.json
index a3dc655..94609a5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,9 +11,9 @@
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@@ -9325,6 +9436,23 @@
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+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
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+      "dev": true,
+      "requires": {
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+      },
+      "dependencies": {
+        "punycode": {
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+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
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+          "dev": true
+        }
+      }
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       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
@@ -9451,12 +9579,12 @@
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-      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
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       "dev": true,
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-        "assert-plus": "1.0.0",
+        "assert-plus": "^1.0.0",
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-        "extsprintf": "1.3.0"
+        "extsprintf": "^1.2.0"
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     "vm-browserify": {
@@ -9468,6 +9596,24 @@
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+    "w3c-hr-time": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/w3c-hr-time/-/w3c-hr-time-1.0.2.tgz",
+      "integrity": "sha512-z8P5DvDNjKDoFIHK7q8r8lackT6l+jo/Ye3HOle7l9nICP9lf1Ci25fy9vHd0JOWewkIFzXIEig3TdKT7JQ5fQ==",
+      "dev": true,
+      "requires": {
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+      }
+    },
+    "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==",
+      "dev": true,
+      "requires": {
+        "xml-name-validator": "^3.0.0"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/watch/-/watch-1.0.2.tgz",
@@ -9506,9 +9652,9 @@
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-      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
-      "integrity": "sha1-JFNCdeKnvGvnvIZhHMFq4KVlSHE=",
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-6.1.0.tgz",
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@@ -9536,7 +9682,7 @@
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-          "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
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@@ -9657,20 +9803,36 @@
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       "dev": true
     },
+    "whatwg-encoding": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-1.0.5.tgz",
+      "integrity": "sha512-b5lim54JOPN9HtzvK9HFXvBma/rnfFeqsic0hSpjtDbVxR3dJKLc+KB4V6GgiGOvl7CY/KNh8rxSo9DKQrnUEw==",
+      "dev": true,
+      "requires": {
+        "iconv-lite": "0.4.24"
+      }
+    },
     "whatwg-fetch": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-3.0.0.tgz",
       "integrity": "sha512-9GSJUgz1D4MfyKU7KRqwOjXCXTqWdFNvEr7eUBYchQiVc744mqK/MzXPNR2WsPkmkOa4ywfg8C2n8h+13Bey1Q==",
       "dev": true
     },
+    "whatwg-mimetype": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-2.3.0.tgz",
+      "integrity": "sha512-M4yMwr6mAnQz76TbJm914+gPpB/nCwvZbJU28cUD6dR004SAxDLOOSUaB1JDRqLtaOV/vi0IC5lEAGFgrjGv/g==",
+      "dev": true
+    },
     "whatwg-url": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-2.0.1.tgz",
-      "integrity": "sha1-U5ayBD8CDub3BNnEXqhRnnJN5lk=",
+      "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": {
-        "tr46": "0.0.3",
-        "webidl-conversions": "3.0.1"
+        "lodash": "^4.7.0",
+        "tr46": "^2.1.0",
+        "webidl-conversions": "^6.1.0"
       }
     },
     "whet.extend": {
@@ -9768,6 +9930,12 @@
         "signal-exit": "3.0.2"
       }
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+    "ws": {
+      "version": "7.5.8",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.8.tgz",
+      "integrity": "sha512-ri1Id1WinAX5Jqn9HejiGb8crfRio0Qgu8+MtL36rlTA6RLsMdWt1Az/19A2Qij6uSHUMphEFaTKa4WG+UNHNw==",
+      "dev": true
+    },
     "xdg-basedir": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-3.0.0.tgz",
@@ -9775,9 +9943,15 @@
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-      "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==",
+      "dev": true
+    },
+    "xmlchars": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/xmlchars/-/xmlchars-2.2.0.tgz",
+      "integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==",
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diff --git a/package.json b/package.json
index b3d8f5e..afe9563 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
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     "gh-pages": "1.0.0",
     "immutable": "^3.8.1",
-    "jsdom": "^8.1.0",
+    "jsdom": "^16.5.0",
     "mocha": "^2.4.5",
     "np": "2.16.1",
     "react": "15.5.0",