diff --git a/yarn.lock b/yarn.lock
index 36ea146..4719b4f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -922,6 +922,13 @@ d@1:
   dependencies:
     es5-ext "^0.10.9"
 
+d@^1.0.1, d@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/d/-/d-1.0.2.tgz#2aefd554b81981e7dccf72d6842ae725cb17e5de"
+  dependencies:
+    es5-ext "^0.10.64"
+    type "^2.7.2"
+
 dashdash@^1.12.0:
   version "1.14.1"
   resolved "https://r.cnpmjs.org/dashdash/download/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
@@ -1097,14 +1104,16 @@ error-ex@^1.2.0:
   dependencies:
     is-arrayish "^0.2.1"
 
-es5-ext@^0.10.14, es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.14:
-  version "0.10.37"
-  resolved "https://r.cnpmjs.org/es5-ext/download/es5-ext-0.10.37.tgz#0ee741d148b80069ba27d020393756af257defc3"
+es5-ext@^0.10.14, es5-ext@^0.10.35, es5-ext@^0.10.62, es5-ext@^0.10.64, es5-ext@^0.10.9, es5-ext@~0.10.14:
+  version "0.10.64"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.64.tgz#12e4ffb48f1ba2ea777f1fcdd1918ef73ea21714"
   dependencies:
-    es6-iterator "~2.0.1"
-    es6-symbol "~3.1.1"
+    es6-iterator "^2.0.3"
+    es6-symbol "^3.1.3"
+    esniff "^2.0.1"
+    next-tick "^1.1.0"
 
-es6-iterator@^2.0.1, es6-iterator@~2.0.1:
+es6-iterator@^2.0.1, es6-iterator@^2.0.3, es6-iterator@~2.0.1:
   version "2.0.3"
   resolved "https://r.cnpmjs.org/es6-iterator/download/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
   dependencies:
@@ -1140,6 +1149,13 @@ es6-symbol@3.1.1, es6-symbol@^3.1.1, es6-symbol@~3.1.1:
     d "1"
     es5-ext "~0.10.14"
 
+es6-symbol@^3.1.3:
+  version "3.1.4"
+  resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.4.tgz#f4e7d28013770b4208ecbf3e0bf14d3bcb557b8c"
+  dependencies:
+    d "^1.0.2"
+    ext "^1.7.0"
+
 es6-weak-map@^2.0.1:
   version "2.0.2"
   resolved "https://r.cnpmjs.org/es6-weak-map/download/es6-weak-map-2.0.2.tgz#5e3ab32251ffd1538a1f8e5ffa1357772f92d96f"
@@ -1173,6 +1189,15 @@ escope@^3.6.0:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
+esniff@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/esniff/-/esniff-2.0.1.tgz#a4d4b43a5c71c7ec51c51098c1d8a29081f9b308"
+  dependencies:
+    d "^1.0.1"
+    es5-ext "^0.10.62"
+    event-emitter "^0.3.5"
+    type "^2.7.2"
+
 esprima@^3.1.3:
   version "3.1.3"
   resolved "https://r.cnpmjs.org/esprima/download/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
@@ -1200,7 +1225,7 @@ esutils@^2.0.2:
   version "2.0.2"
   resolved "https://r.cnpmjs.org/esutils/download/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
 
-event-emitter@~0.3.5:
+event-emitter@^0.3.5, event-emitter@~0.3.5:
   version "0.3.5"
   resolved "https://r.cnpmjs.org/event-emitter/download/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
   dependencies:
@@ -1271,6 +1296,12 @@ expect@^21.2.1:
     jest-message-util "^21.2.1"
     jest-regex-util "^21.2.0"
 
+ext@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/ext/-/ext-1.7.0.tgz#0ea4383c0103d60e70be99e9a7f11027a33c4f5f"
+  dependencies:
+    type "^2.7.2"
+
 extend-shallow@^2.0.1:
   version "2.0.1"
   resolved "https://r.cnpmjs.org/extend-shallow/download/extend-shallow-2.0.1.tgz#51af7d614ad9a9f610ea1bafbb989d6b1c56890f"
@@ -2637,6 +2668,10 @@ natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://r.cnpmjs.org/natural-compare/download/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
 
+next-tick@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.1.0.tgz#1836ee30ad56d67ef281b22bd199f709449b35eb"
+
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://r.cnpmjs.org/node-int64/download/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -3827,6 +3862,10 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
+type@^2.7.2:
+  version "2.7.3"
+  resolved "https://registry.yarnpkg.com/type/-/type-2.7.3.tgz#436981652129285cc3ba94f392886c2637ea0486"
+
 typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://r.cnpmjs.org/typedarray/download/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"