diff --git a/package-lock.json b/package-lock.json
index 249cbbf..3bb734f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1626,9 +1626,9 @@
             }
         },
         "mongoose": {
-            "version": "4.13.19",
-            "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-4.13.19.tgz",
-            "integrity": "sha512-O41XmkbAZtLK6Uw4cqjI30s0sP8oZeG+aWweOIyE2VYHMQiYDWhVkBMtsv+Kv8chDizaBhO5oErTHexLQKzU+w==",
+            "version": "4.13.21",
+            "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-4.13.21.tgz",
+            "integrity": "sha512-0VZtQu1rSUPwUtbb7zh6CymI0nNkVInOIDbtWNlna070qnUO14On8PpSVSwlx3gwmkKL2OkP4ioCj5YHC6trMg==",
             "requires": {
                 "async": "2.6.0",
                 "bson": "~1.0.4",