diff --git a/package.json b/package.json
index 480d7d4..55e1bed 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "geofire": "^4.1.2",
     "keycode": "^2.1.9",
     "localforage": "^1.5.3",
-    "lodash": "^4.17.13",
+    "lodash": "^4.17.21",
     "material-ui": "next",
     "material-ui-icons": "^1.0.0-beta.17",
     "moment": "^2.19.1",
diff --git a/yarn.lock b/yarn.lock
index 9df778d..3fb6ba8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5174,9 +5174,9 @@ 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@^4.1.0, lodash@^4.11.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.16.2, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.2, lodash@^4.17.3, lodash@^4.17.4, 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@^4.1.0, lodash@^4.11.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.16.2, lodash@^4.17.11, lodash@^4.17.2, lodash@^4.17.21, lodash@^4.17.3, lodash@^4.17.4, 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"
 
 log-symbols@^1.0.2:
   version "1.0.2"