diff --git a/functions/package-lock.json b/functions/package-lock.json
index 2c54728..2babb88 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -1619,9 +1619,9 @@
       "integrity": "sha1-Jjj8OaAzHpysGgS3F5mTHJxQ33k="
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lodash.at": {
       "version": "4.6.0",