diff --git a/package.json b/package.json
index 4880a72..a3c4984 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "lodash": "^4.17.13",
+    "lodash": "^4.17.21",
     "material-ui": "^0.18.1",
     "react": "^15.5.4",
     "react-dom": "^15.5.4",
diff --git a/yarn.lock b/yarn.lock
index 1c2d971..1c7b17d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3775,9 +3775,9 @@ lodash.uniq@^4.5.0:
   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@^4.15.0, lodash@^4.17.13, lodash@^4.17.2, lodash@^4.17.3, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0:
-  version "4.17.13"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.13.tgz#0bdc3a6adc873d2f4e0c4bac285df91b64fc7b93"
+"lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.2, lodash@^4.17.21, lodash@^4.17.3, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 longest@^1.0.1:
   version "1.0.1"