diff --git a/package-lock.json b/package-lock.json
index 8890019..9523fb2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -157,9 +157,9 @@
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+      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.6.tgz",
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@@ -790,14 +790,14 @@
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
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+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
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@@ -810,9 +810,9 @@
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-      "resolved": "https://registry.npmjs.org/memory-pager/-/memory-pager-1.1.0.tgz",
-      "integrity": "sha512-Mf9OHV/Y7h6YWDxTzX/b4ZZ4oh9NSXblQL8dtPCOomOtZciEHxePR78+uHFLLlsk01A6jVHhHsQZZ/WcIPpnzg==",
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/memory-pager/-/memory-pager-1.5.0.tgz",
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@@ -923,43 +923,36 @@
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-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.1.6.tgz",
-      "integrity": "sha512-E5QJuXQoMlT7KyCYqNNMfAkhfQD79AT4F8Xd+6x37OX+8BL17GyXyWvfm6wuyx4wnzCCPoCSLeMeUN2S7dU9yw==",
+      "version": "3.1.8",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.1.8.tgz",
+      "integrity": "sha512-yNKwYxQ6m00NV6+pMoWoheFTHSQVv1KkSrfOhRDYMILGWDYtUtQRqHrFqU75rmPIY8hMozVft8zdC4KYMWaM3Q==",
       "requires": {
-        "mongodb-core": "3.1.5",
+        "mongodb-core": "3.1.7",
         "safe-buffer": "^5.1.2"
       }
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     "mongodb-core": {
-      "version": "3.1.5",
-      "resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-3.1.5.tgz",
-      "integrity": "sha512-emT/tM4ZBinqd6RZok+EzDdtN4LjYJIckv71qQVOEFmvXgT5cperZegVmTgox/1cx4XQu6LJ5ZuIwipP/eKdQg==",
+      "version": "3.1.7",
+      "resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-3.1.7.tgz",
+      "integrity": "sha512-YffpSrLmgFNmrvkGx+yX00KyBNk64C0BalfEn6vHHkXtcMUGXw8nxrMmhq5eXPLLlYeBpD/CsgNxE2Chf0o4zQ==",
       "requires": {
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         "require_optional": "^1.0.1",
         "safe-buffer": "^5.1.2",
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-      "dependencies": {
-        "bson": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.0.tgz",
-          "integrity": "sha512-9Aeai9TacfNtWXOYarkFJRW2CWo+dRon+fuLZYJmvLV3+MiUp0bEI6IAZfXEIg7/Pl/7IWlLaDnhzTsD81etQA=="
-        }
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     "mongoose": {
-      "version": "5.3.7",
-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.3.7.tgz",
-      "integrity": "sha512-az9DtkYDuZFRpCa8aCnGHQP/up/P0fku8omtYxVwBAlQElO/yCJpKpIAR91szRbua6k9WNGpNde4KjdbA79Spg==",
+      "version": "5.3.9",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.3.9.tgz",
+      "integrity": "sha512-FbCW2qCptfPW/ltRwgqKpPCK113WTIhZDnn+0L0hO2XoX9Yp4LuIP0Nab7eBK+TsiIXWZAvzKhnnUKElTbl5ow==",
       "requires": {
         "async": "2.6.1",
-        "bson": "~1.0.5",
+        "bson": "~1.1.0",
         "kareem": "2.3.0",
         "lodash.get": "4.4.2",
-        "mongodb": "3.1.6",
-        "mongodb-core": "3.1.5",
+        "mongodb": "3.1.8",
+        "mongodb-core": "3.1.7",
         "mongoose-legacy-pluralize": "1.0.2",
         "mpath": "0.5.1",
         "mquery": "3.2.0",
@@ -1165,7 +1158,7 @@
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       "resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-0.0.1.tgz",
-      "integrity": "sha1-p8LgmJH9vzj7sQ03b7cwA+aKxYk="
+      "integrity": "sha512-tfYXF0HXEYh3AtgdjqNLQ8+tmZSAKIS7KtOjmB1laJgfbsi+Lf2RVNwLZVOE3U27yBXikzQuIXglLlakvb8Thw=="
     },
     "repeat-string": {
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@@ -1184,7 +1177,7 @@
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       "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-2.0.0.tgz",
-      "integrity": "sha1-lICrIOlP+h2egKgEx+oUdhGWa1c="
+      "integrity": "sha512-qpFcKaXsq8+oRoLilkwyc7zHGF5i9Q2/25NIgLQQ/+VVv9rU4qvr6nXVAw1DsnXJyQkZsR4Ytfbtg5ehfcUssQ=="
     },
     "right-align": {
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@@ -1205,18 +1198,18 @@
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     },
     "saslprep": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.2.tgz",
-      "integrity": "sha512-4cDsYuAjXssUSjxHKRe4DTZC0agDwsCqcMqtJAQPzC74nJ7LfAJflAtC1Zed5hMzEQKj82d3tuzqdGNRsLJ4Gw==",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.3.tgz",
+      "integrity": "sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==",
       "optional": true,
       "requires": {
         "sparse-bitfield": "^3.0.3"
       }
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     "semver": {
-      "version": "5.6.0",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.6.0.tgz",
-      "integrity": "sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg=="
+      "version": "5.7.2",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
+      "integrity": "sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g=="
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@@ -1281,7 +1274,7 @@
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       "resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
-      "integrity": "sha1-CzpmK10Ewxd7GSa+qCsD+Dei70E="
+      "integrity": "sha512-VZBmZP8WU3sMOZm1bdgTadsQbcscK0UM8oKxKVBs4XAhUo2Xxzm/OFMGBkPusxw9xL3Uy8LrzEqGqJhclsr0yA=="
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@@ -1294,7 +1287,7 @@
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       "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
-      "integrity": "sha1-/0rm5oZWBWuks+eSqzM004JzyhE=",
+      "integrity": "sha512-kvzhi7vqKTfkh0PZU+2D2PIllw2ymqJKujUcyPMd9Y75Nv4nPbGJZXNhxsgdQab2BmlDct1YnfQCguEvHr7VsQ==",
       "optional": true,
       "requires": {
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diff --git a/package.json b/package.json
index 190b69b..3202178 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "http-errors": "~1.6.2",
     "jade": "~1.11.0",
     "method-override": "^3.0.0",
-    "mongoose": "^5.3.7",
+    "mongoose": "^5.3.9",
     "morgan": "~1.9.0",
     "multer": "^1.4.1",
     "serve-favicon": "^2.5.0"