diff --git a/node/samples/webapp/yarn.lock b/node/samples/webapp/yarn.lock
index 9b8abda..9747a46 100644
--- a/node/samples/webapp/yarn.lock
+++ b/node/samples/webapp/yarn.lock
@@ -209,9 +209,9 @@ ipaddr.js@1.8.0:
   integrity sha1-6qM9bd16zo9/b+DJygRA5wZzix4=
 
 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==
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 media-typer@0.3.0:
   version "0.3.0"