diff --git a/yarn.lock b/yarn.lock
index ad8de3b..e4efe80 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -218,8 +218,8 @@ are-we-there-yet@~1.1.2:
     readable-stream "^2.0.6"
 
 argparse@^1.0.7:
-  version "1.0.9"
-  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.9.tgz#73d83bc263f86e97f8cc4f6bae1b0e90a7d22c86"
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
   dependencies:
     sprintf-js "~1.0.2"
 
@@ -603,7 +603,7 @@ camelcase@^4.0.0, camelcase@^4.1.0:
 
 capture-stack-trace@^1.0.0:
   version "1.0.0"
-  resolved "http://registry.npmjs.org/capture-stack-trace/-/capture-stack-trace-1.0.0.tgz#4a6fa07399c26bba47f0b2496b4d0fb408c5550d"
+  resolved "https://registry.npmjs.org/capture-stack-trace/-/capture-stack-trace-1.0.0.tgz#4a6fa07399c26bba47f0b2496b4d0fb408c5550d"
 
 cardinal@^1.0.0:
   version "1.0.0"
@@ -799,7 +799,7 @@ cpx@^1.5.0:
 
 create-error-class@^3.0.0:
   version "3.0.2"
-  resolved "http://registry.npmjs.org/create-error-class/-/create-error-class-3.0.2.tgz#06be7abef947a3f14a30fd610671d401bca8b7b6"
+  resolved "https://registry.npmjs.org/create-error-class/-/create-error-class-3.0.2.tgz#06be7abef947a3f14a30fd610671d401bca8b7b6"
   dependencies:
     capture-stack-trace "^1.0.0"
 
@@ -1016,8 +1016,8 @@ esprima@^3.1.3:
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
 
 esprima@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.0.tgz#4499eddcd1110e0b218bacf2fa7f7f59f55ca804"
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
 
 esprima@~3.0.0:
   version "3.0.0"
@@ -2040,8 +2040,8 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
 js-yaml@^3.7.0:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.10.0.tgz#2e78441646bd4682e963f22b6e92823c309c62dc"
+  version "3.13.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"