diff --git a/demo/yarn.lock b/demo/yarn.lock
index 149f0ef..5c3865a 100644
--- a/demo/yarn.lock
+++ b/demo/yarn.lock
@@ -3131,9 +3131,9 @@ lodash.words@^3.0.0:
     lodash._root "^3.0.0"
 
 lodash@^4.0.0, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.4, lodash@~4.17.10:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 loglevel@^1.4.1:
   version "1.6.4"