diff --git a/frontend/package.json b/frontend/package.json
index 1717870..90299f2 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -60,7 +60,7 @@
     "event-emitter": "^0.3.5",
     "lamejs": "^1.2.0",
     "lameworker": "^0.1.1",
-    "lodash": "^4.17.4",
+    "lodash": "^4.17.21",
     "mobile-detect": "^1.3.6",
     "mobx": "^3.1.9",
     "mobx-react": "^4.1.8",
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 2038b91..a65a5c3 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -3521,9 +3521,10 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.6.1, lodash@~4.17.4:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+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@^4.6.1, lodash@~4.17.4:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 longest@^1.0.1:
   version "1.0.1"