diff --git a/yarn.lock b/yarn.lock
index e19d813..7bdf330 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1144,7 +1144,7 @@ fstream@^1.0.0, fstream@^1.0.2:
     mkdirp ">=0.5 0"
     rimraf "2"
 
-function-bind@^1.0.2:
+function-bind@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
 
@@ -1463,11 +1463,11 @@ has-unicode@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
 
-has@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/has/-/has-1.0.1.tgz#8461733f538b0837c9361e39a9ab9e9704dc2f28"
+has@^1.0.0, has@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
   dependencies:
-    function-bind "^1.0.2"
+    function-bind "^1.1.1"
 
 hash-base@^2.0.0:
   version "2.0.2"
@@ -1738,9 +1738,9 @@ is-windows@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-0.2.0.tgz#de1aa6d63ea29dd248737b69f1ff8b8002d2108c"
 
-is@^3.1.0:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/is/-/is-3.2.1.tgz#d0ac2ad55eb7b0bec926a5266f6c662aaa83dca5"
+is@^3.2.1:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/is/-/is-3.3.0.tgz#61cff6dd3c4193db94a3d62582072b44e5645d79"
 
 isarray@0.0.1, isarray@~0.0.1:
   version "0.0.1"
@@ -2378,10 +2378,11 @@ node-sass@^4.2.0, node-sass@^4.5.3:
     stdout-stream "^1.4.0"
 
 node.extend@^1.0.10:
-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/node.extend/-/node.extend-1.1.6.tgz#a7b882c82d6c93a4863a5504bd5de8ec86258b96"
+  version "1.1.8"
+  resolved "https://registry.yarnpkg.com/node.extend/-/node.extend-1.1.8.tgz#0aab3e63789f4e6d68b42bc00073ad1881243cf0"
   dependencies:
-    is "^3.1.0"
+    has "^1.0.3"
+    is "^3.2.1"
 
 "nopt@2 || 3":
   version "3.0.6"