diff --git a/yarn.lock b/yarn.lock
index 509f0ce..62da4e0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -290,8 +290,8 @@ any@^1.0.0:
     make-iterator "^0.1.0"
 
 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"
 
@@ -877,9 +877,9 @@ cross-spawn@^5.0.1:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
-cson-parser@^1.3.5:
-  version "1.3.5"
-  resolved "https://registry.yarnpkg.com/cson-parser/-/cson-parser-1.3.5.tgz#7ec675e039145533bf2a6a856073f1599d9c2d24"
+cson-parser@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/cson-parser/-/cson-parser-2.0.1.tgz#b4740c17c2880d67cbc9a6f6615b6e86fc0be8ef"
   dependencies:
     coffee-script "^1.10.0"
 
@@ -1362,9 +1362,9 @@ espree@^3.4.0:
     acorn "^5.0.1"
     acorn-jsx "^3.0.0"
 
-esprima@^2.6.0:
-  version "2.7.3"
-  resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
+esprima@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
 
 esquery@^1.0.0:
   version "1.0.0"
@@ -2423,11 +2423,11 @@ js-tokens@^2.0.0:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-2.0.0.tgz#79903f5563ee778cc1162e6dcf1a0027c97f9cb5"
 
 js-yaml@^3.4.3, js-yaml@^3.5.1:
-  version "3.7.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.7.0.tgz#5c967ddd837a9bfdca5f2de84253abe8a1c03b80"
+  version "3.13.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
   dependencies:
     argparse "^1.0.7"
-    esprima "^2.6.0"
+    esprima "^4.0.0"
 
 json-stable-stringify@^1.0.0, json-stable-stringify@^1.0.1:
   version "1.0.1"