diff --git a/package-lock.json b/package-lock.json
index 3767ffe..05f5965 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -158,6 +158,25 @@
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@@ -5047,28 +4966,42 @@
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+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.19.tgz",
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+        "minipass": "^2.9.0",
+        "minizlib": "^1.3.3",
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+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
+          "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
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+        "yallist": {
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+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+        }
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@@ -5159,12 +5092,12 @@
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+    "tr46": {
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+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-2.1.0.tgz",
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@@ -5172,20 +5105,6 @@
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-      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
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@@ -5210,11 +5129,6 @@
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-      "resolved": "https://registry.npmjs.org/uid-number/-/uid-number-0.0.6.tgz",
-      "integrity": "sha1-DqEOgDXo61uOREnwbaHHMGY7qoE="
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@@ -5428,11 +5342,6 @@
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-    "uuid": {
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-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.2.1.tgz",
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-    },
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@@ -5447,14 +5356,18 @@
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-      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
-      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+    "webidl-conversions": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-6.1.0.tgz",
+      "integrity": "sha512-qBIvFLGiBpLjfwmYAaHPXsn+ho5xZnGvyGvsarywGNc8VyQJUMHJ8OBKGGrPER0okBeMDaan4mNBlgBROxuI8w=="
+    },
+    "whatwg-url": {
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-9.1.0.tgz",
+      "integrity": "sha512-CQ0UcrPHyomtlOCot1TL77WyMIm/bCwrJ2D6AOKGwEczU9EpyoqAokfqrf/MioU9kHcMsmJZcg1egXix2KYEsA==",
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-        "core-util-is": "1.0.2",
-        "extsprintf": "1.3.0"
+        "tr46": "^2.1.0",
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@@ -5471,7 +5384,7 @@
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+        "string-width": "^1.0.2 || 2"
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diff --git a/package.json b/package.json
index 931eb18..42cc161 100644
--- a/package.json
+++ b/package.json
@@ -7,13 +7,13 @@
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     "babel-eslint": "^8.2.2",
     "babel-preset-env": "^1.6.1",
-    "bcrypt": "^1.0.3",
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     "body-parser": "^1.18.2",
     "cookie-parser": "^1.4.3",
     "es-module-loader": "^2.2.8",
     "express": "^4.16.3",
     "jsonwebtoken": "^8.2.0",
-    "mongoose": "^5.0.11",
+    "mongoose": "^6.0.4",
     "morgan": "^1.9.0"
   },
   "license": "MIT",