diff --git a/yarn.lock b/yarn.lock
index 7d42ff2..90df1a7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -99,8 +99,8 @@ ansi-styles@^3.2.0:
     color-convert "^1.9.0"
 
 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"
 
@@ -263,8 +263,8 @@ esprima@2.7.x, esprima@^2.7.1:
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
 
 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"
 
 estraverse@^1.9.1:
   version "1.9.3"
@@ -425,8 +425,8 @@ istanbul@^0.4.5:
     wordwrap "^1.0.0"
 
 js-yaml@3.x:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.10.0.tgz#2e78441646bd4682e963f22b6e92823c309c62dc"
+  version "3.14.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.1.tgz#dae812fdb3825fa306609a8717383c50c36a0537"
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"