diff --git a/package.json b/package.json
index 3affc24..e884756 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "karma-notify-reporter": "^1.0.1",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "^2.0.4",
-    "lodash": "^4.6.1",
+    "lodash": "^4.17.21",
     "node-bourbon": "^4.2.3",
     "node-sass": "^4.5.3",
     "sass-loader": "^6.0.6",
diff --git a/yarn.lock b/yarn.lock
index 8303bcd..9966d1c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5487,18 +5487,10 @@ lodash@^3.10.1, lodash@^3.5.0, lodash@^3.7.0, lodash@^3.8.0, lodash@~3.10.0:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
-lodash@^4.0.0, lodash@~4.17.4:
-  version "4.17.10"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
-
-lodash@^4.14.0, lodash@^4.2.0, lodash@^4.5.0, lodash@^4.6.1:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
-
-lodash@^4.17.10, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0, lodash@^4.8.0:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
-  integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
+lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.10, lodash@^4.17.21, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.5.0, lodash@^4.8.0, lodash@~4.17.4:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 lodash@~1.0.1:
   version "1.0.2"