diff --git a/package-lock.json b/package-lock.json
index a477765..c685b87 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
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         "express": "^4.17.1",
         "jade": "^1.11.0",
-        "mongoose": "5.6.11",
+        "mongoose": "^6.4.6",
         "morgan": "^1.9.1",
         "npm-check-updates": "^3.1.21",
         "tracer": "^1.0.1",
@@ -234,6 +234,20 @@
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       }
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+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/@types/webidl-conversions/-/webidl-conversions-6.1.1.tgz",
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+    },
+    "node_modules/@types/whatwg-url": {
+      "version": "8.2.2",
+      "resolved": "https://registry.npmjs.org/@types/whatwg-url/-/whatwg-url-8.2.2.tgz",
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+      "dependencies": {
+        "@types/node": "*",
+        "@types/webidl-conversions": "*"
+      }
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       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
@@ -419,14 +433,6 @@
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-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.2.tgz",
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       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -450,6 +456,25 @@
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       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
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+    "node_modules/base64-js": {
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+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
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+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
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       "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.1.tgz",
@@ -536,12 +561,37 @@
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-      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.1.tgz",
-      "integrity": "sha512-jCGVYLoYMHDkOsbwJZBCqwMHyH4c+wzgI9hG7Z6SZJRXWr+x58pdIbm2i9a/jFGCkRJqRUr8eoI7lDWa0hTkxg==",
-      "deprecated": "Fixed a critical issue with BSON serialization documented in CVE-2019-2391, see https://bit.ly/2KcpXdo for more details",
+      "version": "4.6.5",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-4.6.5.tgz",
+      "integrity": "sha512-uqrgcjyOaZsHfz7ea8zLRCLe1u+QGUSzMZmvXqO24CDW7DWoW1qiN9folSwa7hSneTSgM2ykDIzF5kcQQ8cwNw==",
+      "dependencies": {
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+      },
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+        "node": ">=6.9.0"
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+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
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+      "dependencies": {
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+        "ieee754": "^1.1.13"
       }
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@@ -1232,6 +1282,14 @@
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+      "resolved": "https://registry.npmjs.org/denque/-/denque-2.1.0.tgz",
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+      "engines": {
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@@ -2140,6 +2198,25 @@
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+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
+      "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
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+    },
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@@ -2694,9 +2771,9 @@
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-      "integrity": "sha512-l3hLhffs9zqoDe8zjmb/mAN4B8VT3L56EUvKNqLFVs9YlFA+zx7ke1DO8STAdDyYNkeSo1nKmjuvQeI12So8Xw=="
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@@ -3317,65 +3394,83 @@
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+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-4.7.0.tgz",
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-        "mongodb-core": "3.2.7",
-        "safe-buffer": "^5.1.2"
+        "bson": "^4.6.3",
+        "denque": "^2.0.1",
+        "mongodb-connection-string-url": "^2.5.2",
+        "socks": "^2.6.2"
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-        "node": ">=4"
+        "node": ">=12.9.0"
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+    "node_modules/mongodb-connection-string-url": {
+      "version": "2.5.3",
+      "resolved": "https://registry.npmjs.org/mongodb-connection-string-url/-/mongodb-connection-string-url-2.5.3.tgz",
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-        "require_optional": "^1.0.1",
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+        "@types/whatwg-url": "^8.2.1",
+        "whatwg-url": "^11.0.0"
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+        "kareem": "2.4.1",
+        "mongodb": "4.7.0",
+        "mpath": "0.9.0",
+        "mquery": "4.0.3",
+        "ms": "2.1.3",
+        "sift": "16.0.0"
+      },
+      "engines": {
+        "node": ">=12.0.0"
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+        "type": "opencollective",
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@@ -3406,41 +3501,45 @@
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+      "resolved": "https://registry.npmjs.org/mquery/-/mquery-4.0.3.tgz",
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-        "debug": "3.1.0",
-        "regexp-clone": "^1.0.0",
-        "safe-buffer": "5.1.2",
-        "sliced": "1.0.1"
+        "debug": "4.x"
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+        "node": ">=6.0"
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@@ -4625,15 +4719,6 @@
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@@ -4887,9 +4964,9 @@
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-      "integrity": "sha512-oqD7PMJ+uO6jV9EQCl0LrRw1OwsiPsiFQR5AR30heR+4Dl7jBBbDLnNvWiak20tzZlSE1H7RB30SX/1j/YYT7g=="
+      "version": "16.0.0",
+      "resolved": "https://registry.npmjs.org/sift/-/sift-16.0.0.tgz",
+      "integrity": "sha512-ILTjdP2Mv9V1kIxWMXeMTIRbOBrqKc4JAXmFMnFq3fKeyQ2Qwa3Dw1ubcye3vR+Y6ofA0b9gNDr/y2t6eUeIzQ=="
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@@ -10209,11 +10332,6 @@
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     },
-    "sliced": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
-      "integrity": "sha1-CzpmK10Ewxd7GSa+qCsD+Dei70E="
-    },
     "smart-buffer": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/smart-buffer/-/smart-buffer-4.0.2.tgz",
@@ -10258,7 +10376,7 @@
     "sparse-bitfield": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
-      "integrity": "sha1-/0rm5oZWBWuks+eSqzM004JzyhE=",
+      "integrity": "sha512-kvzhi7vqKTfkh0PZU+2D2PIllw2ymqJKujUcyPMd9Y75Nv4nPbGJZXNhxsgdQab2BmlDct1YnfQCguEvHr7VsQ==",
       "optional": true,
       "requires": {
         "memory-pager": "^1.0.2"
@@ -10621,6 +10739,14 @@
         }
       }
     },
+    "tr46": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-3.0.0.tgz",
+      "integrity": "sha512-l7FvfAHlcmulp8kr+flpQZmVwtu7nfRV7NZujtN0OqES8EL4O4e0qqzL0DC5gAvx/ZC/9lk6rhcUwYvkBnBnYA==",
+      "requires": {
+        "punycode": "^2.1.1"
+      }
+    },
     "tracer": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/tracer/-/tracer-1.0.1.tgz",
@@ -10879,6 +11005,20 @@
       "resolved": "https://registry.npmjs.org/weak-map/-/weak-map-1.0.5.tgz",
       "integrity": "sha1-eWkVhNmGB/UHC9O3CkDmuyLkAes="
     },
+    "webidl-conversions": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
+      "integrity": "sha512-VwddBukDzu71offAQR975unBIGqfKZpM+8ZX6ySk8nYhVoo5CYaZyzt3YBvYtRtO+aoGlqxPg/B87NGVZ/fu6g=="
+    },
+    "whatwg-url": {
+      "version": "11.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-11.0.0.tgz",
+      "integrity": "sha512-RKT8HExMpoYx4igMiVMY83lN6UeITKJlBQ+vR/8ZJ8OCdSiN3RwCq+9gH0+Xzj0+5IrM6i4j/6LuvzbZIQgEcQ==",
+      "requires": {
+        "tr46": "^3.0.0",
+        "webidl-conversions": "^7.0.0"
+      }
+    },
     "which": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
diff --git a/package.json b/package.json
index b2d68bb..07e0b90 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "dotenv-safe": "^8.2.0",
     "express": "^4.17.1",
     "jade": "^1.11.0",
-    "mongoose": "5.6.11",
+    "mongoose": "6.4.6",
     "morgan": "^1.9.1",
     "npm-check-updates": "^3.1.21",
     "tracer": "^1.0.1",