diff --git a/challenge-api-v5-mock/package-lock.json b/challenge-api-v5-mock/package-lock.json
index de609d8..fd2966a 100644
--- a/challenge-api-v5-mock/package-lock.json
+++ b/challenge-api-v5-mock/package-lock.json
@@ -10,9 +10,9 @@
       "integrity": "sha1-ryQ2POlMcqre78x6rh8nRo7PS3I="
     },
     "lodash": {
-      "version": "4.17.11",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     }
   }
 }
diff --git a/challenge-api-v5-mock/package.json b/challenge-api-v5-mock/package.json
index 08b64dc..1ad7684 100644
--- a/challenge-api-v5-mock/package.json
+++ b/challenge-api-v5-mock/package.json
@@ -5,7 +5,7 @@
   "main": "mock-challenge-api.js",
   "dependencies": {
     "http-json-response": "^1.0.1",
-    "lodash": "^4.17.11"
+    "lodash": "^4.17.21"
   },
   "devDependencies": {},
   "scripts": {