diff --git a/package.json b/package.json
index adf6f69..0b65afa 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
         "extract-text-webpack-plugin": "^2.1.0",
         "file-loader": "^0.10.1",
         "js-yaml": "^3.8.2",
-        "lodash": "^4.17.4",
+        "lodash": "^4.17.21",
         "node-sass": "^4.5.1",
         "postcss-loader": "^1.3.3",
         "postcss-smart-import": "^0.6.10",
diff --git a/yarn.lock b/yarn.lock
index 2049cab..a8ddf49 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2942,9 +2942,9 @@ lodash.uniq@^4.3.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-"lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+"lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.21, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 lodash@~4.16.4:
   version "4.16.6"