diff --git a/package-lock.json b/package-lock.json
index 029f122..97fec2a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,25 @@
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@@ -48,6 +68,11 @@
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+      "resolved": "https://registry.npmjs.org/bson/-/bson-4.5.1.tgz",
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@@ -180,6 +212,11 @@
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+        "bson": "^4.5.1",
+        "denque": "^1.5.0",
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@@ -661,6 +702,11 @@
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+    "saslprep": {
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@@ -774,11 +816,28 @@
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+      "optional": true,
+      "requires": {
+        "memory-pager": "^1.0.2"
+      }
+    },
     "statuses": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.3.1.tgz",
       "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4="
     },
+    "tr46": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-2.1.0.tgz",
+      "integrity": "sha512-15Ih7phfcdP5YxqiB+iDtLoaTz4Nd35+IiAv0kQ5FNKHzXgdWqPoTIqEDDJmXceQt4JZk6lVPT8lnDlPpGDppw==",
+      "requires": {
+        "punycode": "^2.1.1"
+      }
+    },
     "type-is": {
       "version": "1.6.15",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.15.tgz",
@@ -828,6 +887,20 @@
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
+    "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==",
+      "requires": {
+        "tr46": "^2.1.0",
+        "webidl-conversions": "^6.1.0"
+      }
+    },
     "window-size": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
diff --git a/package.json b/package.json
index baf45bf..6df5b61 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "express": "^4.16.2",
     "express-handlebars": "^3.0.0",
     "method-override": "^2.3.10",
-    "mongoose": "^5.0.4",
+    "mongoose": "^6.0.4",
     "morgan": "^1.9.0",
     "passport": "^0.4.0"
   }