diff --git a/yarn.lock b/yarn.lock
index 81ab5f55..11d0e81f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1426,13 +1426,14 @@ error@7.0.2:
     string-template "~0.2.1"
     xtend "~4.0.0"
 
-es5-ext@^0.10.35, es5-ext@^0.10.50, es5-ext@~0.10.11, es5-ext@~0.10.14, es5-ext@~0.10.2, es5-ext@~0.10.46, es5-ext@~0.10.5, es5-ext@~0.10.6:
-  version "0.10.62"
-  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.62.tgz#5e6adc19a6da524bf3d1e02bbc8960e5eb49a9a5"
-  integrity sha512-BHLqn0klhEpnOKSrzn/Xsz2UIW8j+cGmo9JLzr8BiUapV8hPL9+FliFqjwr9ngW7jWdnxv6eO+/LqyhJVqgrjA==
+es5-ext@^0.10.35, es5-ext@^0.10.50, es5-ext@^0.10.62, es5-ext@~0.10.11, es5-ext@~0.10.14, es5-ext@~0.10.2, es5-ext@~0.10.46, es5-ext@~0.10.5, es5-ext@~0.10.6:
+  version "0.10.64"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.64.tgz#12e4ffb48f1ba2ea777f1fcdd1918ef73ea21714"
+  integrity sha512-p2snDhiLaXe6dahss1LddxqEm+SkuDvV8dnIQG0MWjyHpcMNfXKPE+/Cc0y+PhxJX3A4xGNeFCj5oc0BUh6deg==
   dependencies:
     es6-iterator "^2.0.3"
     es6-symbol "^3.1.3"
+    esniff "^2.0.1"
     next-tick "^1.1.0"
 
 es6-iterator@^2.0.3:
@@ -1513,6 +1514,16 @@ escodegen@^1.4.1, escodegen@^1.6.1:
   optionalDependencies:
     source-map "~0.6.1"
 
+esniff@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/esniff/-/esniff-2.0.1.tgz#a4d4b43a5c71c7ec51c51098c1d8a29081f9b308"
+  integrity sha512-kTUIGKQ/mDPFoJ0oVfcmyJn4iBDRptjNVIzwIFR7tqWXdVI9xfA2RMwY/gbSpJG3lkdWNEjLap/NqVHZiJsdfg==
+  dependencies:
+    d "^1.0.1"
+    es5-ext "^0.10.62"
+    event-emitter "^0.3.5"
+    type "^2.7.2"
+
 esprima@^2.1.0:
   version "2.7.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
@@ -1538,7 +1549,7 @@ etag@~1.7.0:
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.7.0.tgz#03d30b5f67dd6e632d2945d30d6652731a34d5d8"
   integrity sha512-Mbv5pNpLNPrm1b4rzZlZlfTRpdDr31oiD43N362sIyvSWVNu5Du33EcJGzvEV4YdYLuENB1HzND907cQkFmXNw==
 
-event-emitter@~0.3.4:
+event-emitter@^0.3.5, event-emitter@~0.3.4:
   version "0.3.5"
   resolved "https://registry.yarnpkg.com/event-emitter/-/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
   integrity sha512-D9rRn9y7kLPnJ+hMq7S/nhvoKwwvVJahBi2BPmx3bvbsEdK3W9ii8cBSGjP+72/LnM4n6fo3+dkCX5FeTQruXA==