diff --git a/package-lock.json b/package-lock.json
index 7a3f68d..07dead4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,139 +1,14 @@
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-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
-      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
-      "dev": true
-    },
-    "wrappy": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
-    },
-    "xtend": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
-    },
-    "yargs": {
-      "version": "3.10.0",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
-      "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
-      "dev": true,
-      "optional": true
     }
   }
 }
diff --git a/package.json b/package.json
index 77e2058..2e8f585 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "express": "^4.15.3",
     "http-errors": "^1.6.1",
     "jsonwebtoken": "^7.4.1",
-    "mongoose": "^4.10.7",
+    "mongoose": "^4.13.21",
     "morgan": "^1.8.2",
     "superagent": "^3.5.2"
   },