diff --git a/server/package.json b/server/package.json
index f040507..16d8f71 100644
--- a/server/package.json
+++ b/server/package.json
@@ -36,7 +36,7 @@
     "limax": "^1.6.0",
     "lodash": "^4.17.11",
     "moment": "^2.20.1",
-    "mongoose": "^4.10.6",
+    "mongoose": "^4.13.21",
     "morgan": "^1.8.0",
     "node-gyp": "^3.8.0",
     "npm-run-all": "^4.1.2",
diff --git a/server/yarn.lock b/server/yarn.lock
index 2cbbc87..06f9b20 100644
--- a/server/yarn.lock
+++ b/server/yarn.lock
@@ -5079,10 +5079,10 @@ mongodb@2.2.34:
     mongodb-core "2.1.18"
     readable-stream "2.2.7"
 
-mongoose@^4.10.6:
-  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"
@@ -7659,7 +7659,7 @@ web3-core-method@1.0.0-beta.51:
     eventemitter3 "3.1.0"
     lodash "^4.17.11"
 
-web3-core-subscriptions@1.0.0-beta.51, web3-core-subscriptions@^1.0.0-beta.51:
+web3-core-subscriptions@1.0.0-beta.51:
   version "1.0.0-beta.51"
   resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.51.tgz#64e150d1699543e4ab7bad7a9ce2bb5715a5b2d8"
   integrity sha512-bM4KlA37Or/XfrZKLtXlvUSISKWUkXOH/32s0DBnxRkKuey8QKK460H5KF9/HS8LfY7cO11NAepnFe4Tk1rSaQ==
@@ -7810,7 +7810,7 @@ web3-providers@1.0.0-beta.51:
     websocket "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible"
     xhr2-cookies "1.1.0"
 
-web3-utils@1.0.0-beta.51, web3-utils@^1.0.0-beta.51:
+web3-utils@1.0.0-beta.51:
   version "1.0.0-beta.51"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.0.0-beta.51.tgz#6b0767289be4f27b14895b011bcb5fa6c707fca5"
   integrity sha512-c9sRSscu0NIjD96X4ToDOgTxGyJevppuB+uHOgWkziaLGqlw/Li1l24nGkvr0Zqpt9SufvfPcWf8EEC92pnwKg==