diff --git a/yarn.lock b/yarn.lock
index 61287501..774c8107 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1499,7 +1499,7 @@ colorette@^1.2.2:
   resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.2.tgz#cbcc79d5e99caea2dbf10eb3a26fd8b3e6acfa94"
   integrity sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==
 
-commander@^2.19.0, commander@~2.20.0:
+commander@^2.19.0:
   version "2.20.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
   integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
@@ -1712,9 +1712,9 @@ decamelize@^1.1.1, decamelize@^1.2.0:
   integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
 
 decode-uri-component@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
-  integrity sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.2.tgz#e69dbe25d37941171dd540e024c444cd5188e1e9"
+  integrity sha512-FqUYQ+8o158GyGTrMFJms9qh3CqTKvAqgqsTnkLI8sKu0028orqBhxNMFkFen0zGyg6epACD32pjVk58ngIErQ==
 
 deep-extend@^0.6.0:
   version "0.6.0"
@@ -2963,18 +2963,17 @@ jshint-stylish@^2.2.1:
     string-length "^1.0.0"
     text-table "^0.2.0"
 
-jshint@^2.10.2:
-  version "2.10.2"
-  resolved "https://registry.yarnpkg.com/jshint/-/jshint-2.10.2.tgz#ed6626c4f8223c98e94aaea62767435427a49a3d"
-  integrity sha512-e7KZgCSXMJxznE/4WULzybCMNXNAd/bf5TSrvVEq78Q/K8ZwFpmBqQeDtNiHc3l49nV4E/+YeHU/JZjSUIrLAA==
+jshint@^2.13.4:
+  version "2.13.6"
+  resolved "https://registry.yarnpkg.com/jshint/-/jshint-2.13.6.tgz#3679a2687a3066fa9034ef85d8c305613a31eec6"
+  integrity sha512-IVdB4G0NTTeQZrBoM8C5JFVLjV2KtZ9APgybDA1MK73xb09qFs0jCXyQLnCOp1cSZZZbvhq/6mfXHUTaDkffuQ==
   dependencies:
     cli "~1.0.0"
     console-browserify "1.1.x"
     exit "0.1.x"
     htmlparser2 "3.8.x"
-    lodash "~4.17.11"
+    lodash "~4.17.21"
     minimatch "~3.0.2"
-    shelljs "0.3.x"
     strip-json-comments "1.0.x"
 
 json-parse-better-errors@^1.0.2:
@@ -3143,7 +3142,7 @@ lodash.merge@^4.6.0:
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.2.tgz#558aa53b43b661e1925a0afdfa36a9a1085fe57a"
   integrity sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==
 
-lodash@^4.12.0, lodash@^4.17.11, lodash@~4.17.11:
+lodash@^4.12.0, lodash@^4.17.11, lodash@~4.17.21:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
@@ -4403,11 +4402,6 @@ shebang-regex@^1.0.0:
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
   integrity sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=
 
-shelljs@0.3.x:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.3.0.tgz#3596e6307a781544f591f37da618360f31db57b1"
-  integrity sha1-NZbmMHp4FUT1kfN9phg2DzHbV7E=
-
 signal-exit@^3.0.0:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"