diff --git a/package.json b/package.json
index 35a6f6b3..1d1f681c 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "jest": "22.4.3",
     "jest-cli": "23.0.0-alpha.4",
     "jsdoc": "3.5.5",
-    "jsdom": "11.7.0",
+    "jsdom": "11.12.0",
     "jsdom-global": "3.0.2",
     "lerna": "2.10.0",
     "less": "3.0.1",
diff --git a/yarn.lock b/yarn.lock
index 9f634664..43cf3b1d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -503,6 +503,10 @@ abab@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/abab/-/abab-1.0.4.tgz#5faad9c2c07f60dd76770f71cf025b62a63cfd4e"
 
+abab@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/abab/-/abab-2.0.0.tgz#aba0ab4c5eee2d4c79d3487d85450fb2376ebb0f"
+
 abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
@@ -540,6 +544,10 @@ acorn@^5.0.0, acorn@^5.3.0:
   version "5.5.3"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.5.3.tgz#f473dd47e0277a08e28e9bec5aeeb04751f0b8c9"
 
+acorn@^5.5.3:
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.1.tgz#f095829297706a7c9776958c0afc8930a9b9d9d8"
+
 add-stream@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/add-stream/-/add-stream-1.0.0.tgz#6a7990437ca736d5e1288db92bd3266d5f5cb2aa"
@@ -3205,6 +3213,12 @@ cssom@0.3.x, "cssom@>= 0.3.2 < 0.4.0":
   dependencies:
     cssom "0.3.x"
 
+cssstyle@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/cssstyle/-/cssstyle-1.0.0.tgz#79b16d51ec5591faec60e688891f15d2a5705129"
+  dependencies:
+    cssom "0.3.x"
+
 csstype@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/csstype/-/csstype-2.1.1.tgz#37b01a7a9958ef0b88167ff6678deccd732e0ae2"
@@ -3477,7 +3491,7 @@ domelementtype@~1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.1.3.tgz#bd28773e2642881aec51544924299c5cd822185b"
 
-domexception@^1.0.0:
+domexception@^1.0.0, domexception@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/domexception/-/domexception-1.0.1.tgz#937442644ca6a31261ef36e3ec677fe805582c90"
   dependencies:
@@ -3777,6 +3791,17 @@ escodegen@^1.9.0:
   optionalDependencies:
     source-map "~0.6.1"
 
+escodegen@^1.9.1:
+  version "1.11.0"
+  resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-1.11.0.tgz#b27a9389481d5bfd5bec76f7bb1eb3f8f4556589"
+  dependencies:
+    esprima "^3.1.3"
+    estraverse "^4.2.0"
+    esutils "^2.0.2"
+    optionator "^0.8.1"
+  optionalDependencies:
+    source-map "~0.6.1"
+
 escope@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/escope/-/escope-3.6.0.tgz#e01975e812781a163a6dadfdd80398dc64c889c3"
@@ -6171,35 +6196,35 @@ jsdom-global@3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/jsdom-global/-/jsdom-global-3.0.2.tgz#6bd299c13b0c4626b2da2c0393cd4385d606acb9"
 
-jsdom@11.7.0:
-  version "11.7.0"
-  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-11.7.0.tgz#8b45b657dae90d6d2d3a5f5d1126bb7102d0a172"
+jsdom@11.12.0:
+  version "11.12.0"
+  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-11.12.0.tgz#1a80d40ddd378a1de59656e9e6dc5a3ba8657bc8"
   dependencies:
-    abab "^1.0.4"
-    acorn "^5.3.0"
+    abab "^2.0.0"
+    acorn "^5.5.3"
     acorn-globals "^4.1.0"
     array-equal "^1.0.0"
     cssom ">= 0.3.2 < 0.4.0"
-    cssstyle ">= 0.2.37 < 0.3.0"
+    cssstyle "^1.0.0"
     data-urls "^1.0.0"
-    domexception "^1.0.0"
-    escodegen "^1.9.0"
+    domexception "^1.0.1"
+    escodegen "^1.9.1"
     html-encoding-sniffer "^1.0.2"
-    left-pad "^1.2.0"
-    nwmatcher "^1.4.3"
+    left-pad "^1.3.0"
+    nwsapi "^2.0.7"
     parse5 "4.0.0"
     pn "^1.1.0"
-    request "^2.83.0"
+    request "^2.87.0"
     request-promise-native "^1.0.5"
     sax "^1.2.4"
     symbol-tree "^3.2.2"
-    tough-cookie "^2.3.3"
+    tough-cookie "^2.3.4"
     w3c-hr-time "^1.0.1"
     webidl-conversions "^4.0.2"
     whatwg-encoding "^1.0.3"
     whatwg-mimetype "^2.1.0"
-    whatwg-url "^6.4.0"
-    ws "^4.0.0"
+    whatwg-url "^6.4.1"
+    ws "^5.2.0"
     xml-name-validator "^3.0.0"
 
 jsdom@^11.5.1:
@@ -6426,6 +6451,10 @@ left-pad@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.2.0.tgz#d30a73c6b8201d8f7d8e7956ba9616087a68e0ee"
 
+left-pad@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.3.0.tgz#5b8a3a7765dfe001261dde915589e782f8c94d1e"
+
 lerna@2.10.0:
   version "2.10.0"
   resolved "https://registry.yarnpkg.com/lerna/-/lerna-2.10.0.tgz#60155d1ddddde218473ac705ff62eea62e29aeef"
@@ -7459,6 +7488,10 @@ nwmatcher@^1.4.3:
   version "1.4.4"
   resolved "https://registry.yarnpkg.com/nwmatcher/-/nwmatcher-1.4.4.tgz#2285631f34a95f0d0395cd900c96ed39b58f346e"
 
+nwsapi@^2.0.7:
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/nwsapi/-/nwsapi-2.0.7.tgz#6fc54c254621f10cac5225b76e81c74120139b78"
+
 oauth-sign@~0.8.1, oauth-sign@~0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
@@ -8308,6 +8341,10 @@ pseudomap@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
 
+psl@^1.1.24:
+  version "1.1.28"
+  resolved "https://registry.yarnpkg.com/psl/-/psl-1.1.28.tgz#4fb6ceb08a1e2214d4fd4de0ca22dae13740bc7b"
+
 public-encrypt@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/public-encrypt/-/public-encrypt-4.0.0.tgz#39f699f3a46560dd5ebacbca693caf7c65c18cc6"
@@ -8996,6 +9033,31 @@ request@^2.83.0:
     tunnel-agent "^0.6.0"
     uuid "^3.1.0"
 
+request@^2.87.0:
+  version "2.87.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.87.0.tgz#32f00235cd08d482b4d0d68db93a829c0ed5756e"
+  dependencies:
+    aws-sign2 "~0.7.0"
+    aws4 "^1.6.0"
+    caseless "~0.12.0"
+    combined-stream "~1.0.5"
+    extend "~3.0.1"
+    forever-agent "~0.6.1"
+    form-data "~2.3.1"
+    har-validator "~5.0.3"
+    http-signature "~1.2.0"
+    is-typedarray "~1.0.0"
+    isstream "~0.1.2"
+    json-stringify-safe "~5.0.1"
+    mime-types "~2.1.17"
+    oauth-sign "~0.8.2"
+    performance-now "^2.1.0"
+    qs "~6.5.1"
+    safe-buffer "^5.1.1"
+    tough-cookie "~2.3.3"
+    tunnel-agent "^0.6.0"
+    uuid "^3.1.0"
+
 require-directory@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
@@ -9954,7 +10016,14 @@ tough-cookie@>=2.3.3, tough-cookie@^2.3.3, tough-cookie@~2.3.0, tough-cookie@~2.
   dependencies:
     punycode "^1.4.1"
 
-tr46@^1.0.0:
+tough-cookie@^2.3.4:
+  version "2.4.3"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.4.3.tgz#53f36da3f47783b0925afa06ff9f3b165280f781"
+  dependencies:
+    psl "^1.1.24"
+    punycode "^1.4.1"
+
+tr46@^1.0.0, tr46@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/tr46/-/tr46-1.0.1.tgz#a8b13fd6bfd2489519674ccde55ba3693b706d09"
   dependencies:
@@ -10707,6 +10776,14 @@ whatwg-url@^6.4.0:
     tr46 "^1.0.0"
     webidl-conversions "^4.0.1"
 
+whatwg-url@^6.4.1:
+  version "6.5.0"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-6.5.0.tgz#f2df02bff176fd65070df74ad5ccbb5a199965a8"
+  dependencies:
+    lodash.sortby "^4.7.0"
+    tr46 "^1.0.1"
+    webidl-conversions "^4.0.2"
+
 whet.extend@~0.9.9:
   version "0.9.9"
   resolved "https://registry.yarnpkg.com/whet.extend/-/whet.extend-0.9.9.tgz#f877d5bf648c97e5aa542fadc16d6a259b9c11a1"
@@ -10828,6 +10905,12 @@ ws@^4.0.0:
     async-limiter "~1.0.0"
     safe-buffer "~5.1.0"
 
+ws@^5.2.0:
+  version "5.2.2"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.2.tgz#dffef14866b8e8dc9133582514d1befaf96e980f"
+  dependencies:
+    async-limiter "~1.0.0"
+
 xdg-basedir@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/xdg-basedir/-/xdg-basedir-3.0.0.tgz#496b2cc109eca8dbacfe2dc72b603c17c5870ad4"