diff --git a/back-end/package-lock.json b/back-end/package-lock.json
index 79c0e8c..c1bd079 100644
--- a/back-end/package-lock.json
+++ b/back-end/package-lock.json
@@ -333,9 +333,9 @@
       "integrity": "sha512-l3hLhffs9zqoDe8zjmb/mAN4B8VT3L56EUvKNqLFVs9YlFA+zx7ke1DO8STAdDyYNkeSo1nKmjuvQeI12So8Xw=="
     },
     "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=="
     },
     "media-typer": {
       "version": "0.3.0",
diff --git a/back-end/package.json b/back-end/package.json
index 7bb6ffc..3f5235d 100644
--- a/back-end/package.json
+++ b/back-end/package.json
@@ -13,7 +13,7 @@
     "cors": "^2.8.5",
     "ejs": "^3.1.3",
     "express": "^4.17.1",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.21",
     "mongoose": "^5.9.21"
   }
 }