diff --git a/package.json b/package.json
index 8a30745..65e14f9 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "level": "^4.0.0",
     "mkdirp": "^0.5.1",
     "mocha": "6.1.4",
-    "mongoose": "^4.10.5",
+    "mongoose": "^4.13.21",
     "morgan": "^1.9.1",
     "mqtt": "^2.8.0",
     "passport": "^0.4.0",
diff --git a/yarn.lock b/yarn.lock
index 156c162..41980bc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6790,10 +6790,10 @@ mongodb@2.2.34:
     mongodb-core "2.1.18"
     readable-stream "2.2.7"
 
-mongoose@^4.10.5:
-  version "4.13.18"
-  resolved "https://registry.yarnpkg.com/mongoose/-/mongoose-4.13.18.tgz#1c173de315a11e207ff59461da0fa2103b895528"
-  integrity sha512-pPZlVID+/9xl0pyBibr7CZbjYKzpJZuw58TdWwIxr3ydO/OUZqhX1kUEAQIzsOJVSsL6GnD1fb54reO35jvLtw==
+mongoose@^4.13.21:
+  version "4.13.21"
+  resolved "https://registry.yarnpkg.com/mongoose/-/mongoose-4.13.21.tgz#83f4a8461b19aca1b2274feaaaf262b71b6f034d"
+  integrity sha512-0VZtQu1rSUPwUtbb7zh6CymI0nNkVInOIDbtWNlna070qnUO14On8PpSVSwlx3gwmkKL2OkP4ioCj5YHC6trMg==
   dependencies:
     async "2.6.0"
     bson "~1.0.4"