diff --git a/assets/package.json b/assets/package.json
index 31ec04c..8272d26 100644
--- a/assets/package.json
+++ b/assets/package.json
@@ -12,7 +12,7 @@
     "classnames": "^2.2.5",
     "gettext.js": "^0.5.3",
     "immutable": "^3.8.2",
-    "lodash": "^4.17.4",
+    "lodash": "^4.17.21",
     "phoenix": "file:../deps/phoenix",
     "phoenix_html": "file:../deps/phoenix_html",
     "react": "^16.2.0",
diff --git a/assets/yarn.lock b/assets/yarn.lock
index 05d33a6..68c9df2 100644
--- a/assets/yarn.lock
+++ b/assets/yarn.lock
@@ -3041,10 +3041,10 @@ lodash.mergewith@^4.6.0:
   resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.2.tgz#617121f89ac55f59047c7aec1ccd6654c6590f55"
   integrity sha512-GK3g5RPZWTRSeLSpgP8Xhra+pnjBC56q9FZYe1d5RN3TJ35dbkGy3YqBSMbyCrlbi+CM9Z3Jk5yTL7RCsqboyQ==
 
-lodash@^4.0.0, lodash@^4.17.10, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.1, lodash@~4.17.10:
-  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@^4.17.10, lodash@^4.17.21, lodash@^4.17.5, lodash@^4.2.1, lodash@~4.17.10:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 lodash@~2.4.1:
   version "2.4.2"