diff --git a/luo/src/firebase/cloud/functions/package-lock.json b/luo/src/firebase/cloud/functions/package-lock.json
index c590bae..b83b5d7 100644
--- a/luo/src/firebase/cloud/functions/package-lock.json
+++ b/luo/src/firebase/cloud/functions/package-lock.json
@@ -2216,9 +2216,9 @@
       }
     },
     "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",
diff --git a/luo/src/firebase/cloud/functions/package.json b/luo/src/firebase/cloud/functions/package.json
index e8f5ad9..7149884 100644
--- a/luo/src/firebase/cloud/functions/package.json
+++ b/luo/src/firebase/cloud/functions/package.json
@@ -18,7 +18,7 @@
     "axios": "^0.19.0",
     "firebase-admin": "~7.0.0",
     "firebase-functions": "^2.3.0",
-    "lodash": ">=4.17.13",
+    "lodash": ">=4.17.21",
     "lodash.merge": ">=4.6.2"
   },
   "devDependencies": {