diff --git a/package-lock.json b/package-lock.json
index f13070f..5cd60f8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,19 +4,31 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@types/node": {
+      "version": "18.15.11",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.15.11.tgz",
+      "integrity": "sha512-E5Kwq2n4SbMzQOn6wnmBjuK9ouqlURrcZDVfbo9ftDDTFt3nk7ZKK4GMOzoYgnpQJKcxwQw+lGaBvvlMo0qN/Q=="
+    },
+    "@types/webidl-conversions": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@types/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
+      "integrity": "sha512-xTE1E+YF4aWPJJeUzaZI5DRntlkY3+BCVJi0axFptnjGmAoWxkyREIh/XMrfxVLejwQxMCfDXdICo0VLxThrog=="
+    },
+    "@types/whatwg-url": {
+      "version": "8.2.2",
+      "resolved": "https://registry.npmjs.org/@types/whatwg-url/-/whatwg-url-8.2.2.tgz",
+      "integrity": "sha512-FtQu10RWgn3D9U4aazdwIE2yzphmTJREDqNdODHrbrZmmMqI0vMheC/6NE/J1Yveaj8H+ela+YwWTjq5PGmuhA==",
+      "requires": {
+        "@types/node": "*",
+        "@types/webidl-conversions": "*"
+      }
+    },
     "assertion-error": {
-      "version": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.0.2.tgz",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.0.2.tgz",
       "integrity": "sha1-E8pRXYYgbaC6xm6DTdOX2HWBCUw=",
       "dev": true
     },
-    "async": {
-      "version": "2.1.4",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.1.4.tgz",
-      "integrity": "sha1-LSFgx3iAMuTdbL4lAvH5osj2zeQ=",
-      "requires": {
-        "lodash": "4.17.4"
-      }
-    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@@ -45,14 +57,9 @@
       "dev": true
     },
     "bson": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/bson/-/bson-1.0.4.tgz",
-      "integrity": "sha1-k8ENOeqltYQVy8QFLz5T5WKwtyw="
-    },
-    "buffer-shims": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/buffer-shims/-/buffer-shims-1.0.0.tgz",
-      "integrity": "sha1-mXjOMXOIxkmth5MCjDR37wRKi1E="
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-5.2.0.tgz",
+      "integrity": "sha512-HevkSpDbpUfsrHWmWiAsNavANKYIErV2ePXllp1bwq5CDreAaFVj6RVlZpJnxK4WWDCJ/5jMUpaY6G526q3Hjg=="
     },
     "chai": {
       "version": "4.1.0",
@@ -60,7 +67,7 @@
       "integrity": "sha1-MxoDkbVcOvh0CunDt0WLwcOAXm0=",
       "dev": true,
       "requires": {
-        "assertion-error": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.0.2.tgz",
+        "assertion-error": "1.0.2",
         "check-error": "1.0.2",
         "deep-eql": "2.0.2",
         "get-func-name": "2.0.0",
@@ -114,24 +121,21 @@
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
       "dev": true
     },
-    "core-util-is": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
-    },
     "debug": {
-      "version": "2.6.9",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+      "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
       "requires": {
-        "ms": "2.0.0"
+        "ms": "2.1.2"
+      },
+      "dependencies": {
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
       }
     },
-    "es6-promise": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.2.1.tgz",
-      "integrity": "sha1-7FYjOGgDKQkgcXDDlEjiREndH8Q="
-    },
     "flushwritable": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/flushwritable/-/flushwritable-1.0.0.tgz",
@@ -164,7 +168,8 @@
       }
     },
     "growl": {
-      "version": "https://registry.npmjs.org/growl/-/growl-1.9.2.tgz",
+      "version": "1.9.2",
+      "resolved": "https://registry.npmjs.org/growl/-/growl-1.9.2.tgz",
       "integrity": "sha1-Dqd0NxXbjY3ixe3hd14bRayFwC8=",
       "dev": true
     },
@@ -174,11 +179,6 @@
       "integrity": "sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo=",
       "dev": true
     },
-    "hooks-fixed": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/hooks-fixed/-/hooks-fixed-2.0.0.tgz",
-      "integrity": "sha1-oB2JTVKsf2WZu7H2PfycQR33DLo="
-    },
     "inflight": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
@@ -190,13 +190,15 @@
       }
     },
     "inherits": {
-      "version": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz",
-      "integrity": "sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE="
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz",
+      "integrity": "sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE=",
+      "dev": true
     },
-    "isarray": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+    "ip": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ip/-/ip-2.0.0.tgz",
+      "integrity": "sha512-WKa+XuLG1A1R0UWhl2+1XQSi+fZWMsYKffMZTTYsiZaUD8k2yDAj5atimTUD2TZkyCkNEeYE5NhFZmupOGtjYQ=="
     },
     "json3": {
       "version": "3.3.2",
@@ -205,14 +207,9 @@
       "dev": true
     },
     "kareem": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/kareem/-/kareem-1.5.0.tgz",
-      "integrity": "sha1-4+QQHZ3P3imXadr0tNtk2JXRdEg="
-    },
-    "lodash": {
-      "version": "4.17.4",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
-      "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4="
+      "version": "2.5.1",
+      "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.5.1.tgz",
+      "integrity": "sha512-7jFxRVm+jD+rkq3kY0iZDJfsO2/t4BBPeEb2qKn2lR/9KhuksYk5hxzfRYWMPV8P/x2d0kHD306YyWLzjjH+uA=="
     },
     "lodash._baseassign": {
       "version": "3.2.0",
@@ -282,17 +279,25 @@
         "lodash.isarray": "3.0.4"
       }
     },
+    "memory-pager": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/memory-pager/-/memory-pager-1.5.0.tgz",
+      "integrity": "sha512-ZS4Bp4r/Zoeq6+NLJpP+0Zzm0pR8whtGPf1XExKLJBAczGMnSi3It14OiNCStjQjM6NU1okjQGSxgEZN8eBYKg==",
+      "optional": true
+    },
     "minimist": {
-      "version": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+      "version": "0.0.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
       "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
       "dev": true
     },
     "mkdirp": {
-      "version": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
       "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
       "dev": true,
       "requires": {
-        "minimist": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz"
+        "minimist": "0.0.8"
       }
     },
     "mocha": {
@@ -307,10 +312,10 @@
         "diff": "3.2.0",
         "escape-string-regexp": "1.0.5",
         "glob": "7.1.1",
-        "growl": "https://registry.npmjs.org/growl/-/growl-1.9.2.tgz",
+        "growl": "1.9.2",
         "json3": "3.3.2",
         "lodash.create": "3.1.1",
-        "mkdirp": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+        "mkdirp": "0.5.1",
         "supports-color": "3.1.2"
       },
       "dependencies": {
@@ -352,7 +357,7 @@
           "requires": {
             "fs.realpath": "1.0.0",
             "inflight": "1.0.6",
-            "inherits": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz",
+            "inherits": "2.0.1",
             "minimatch": "3.0.4",
             "once": "1.4.0",
             "path-is-absolute": "1.0.1"
@@ -385,80 +390,56 @@
       }
     },
     "mongodb": {
-      "version": "2.2.33",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-2.2.33.tgz",
-      "integrity": "sha1-tTfEcdNKZlG0jzb9vyl1A0Dgi1A=",
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-5.1.0.tgz",
+      "integrity": "sha512-qgKb7y+EI90y4weY3z5+lIgm8wmexbonz0GalHkSElQXVKtRuwqXuhXKccyvIjXCJVy9qPV82zsinY0W1FBnJw==",
       "requires": {
-        "es6-promise": "3.2.1",
-        "mongodb-core": "2.1.17",
-        "readable-stream": "2.2.7"
+        "bson": "^5.0.1",
+        "mongodb-connection-string-url": "^2.6.0",
+        "saslprep": "^1.0.3",
+        "socks": "^2.7.1"
       }
     },
-    "mongodb-core": {
-      "version": "2.1.17",
-      "resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-2.1.17.tgz",
-      "integrity": "sha1-pBizN6FKFJkPtRC5I97mqBMXPfg=",
+    "mongodb-connection-string-url": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/mongodb-connection-string-url/-/mongodb-connection-string-url-2.6.0.tgz",
+      "integrity": "sha512-WvTZlI9ab0QYtTYnuMLgobULWhokRjtC7db9LtcVfJ+Hsnyr5eo6ZtNAt3Ly24XZScGMelOcGtm7lSn0332tPQ==",
       "requires": {
-        "bson": "1.0.4",
-        "require_optional": "1.0.1"
+        "@types/whatwg-url": "^8.2.1",
+        "whatwg-url": "^11.0.0"
       }
     },
     "mongoose": {
-      "version": "4.12.3",
-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-4.12.3.tgz",
-      "integrity": "sha512-hZOKfZEakCvy+84MyZAv/2EL588SHghBrkhtl+LGBRv9QkPs4SY28a376q9CyN/y0JYinNcrrFMx6lgdQatz5Q==",
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-7.0.3.tgz",
+      "integrity": "sha512-3n8vc1/mssuxKa6vfghSocp3MeiCFYzhX36Ok+PsDNNYzHC9tw3rNkAMLemIwZ2jgXqkZ7CfKOxkzjp/d/SWfg==",
       "requires": {
-        "async": "2.1.4",
-        "bson": "1.0.4",
-        "hooks-fixed": "2.0.0",
-        "kareem": "1.5.0",
-        "mongodb": "2.2.33",
-        "mpath": "0.3.0",
-        "mpromise": "0.5.5",
-        "mquery": "2.3.2",
-        "ms": "2.0.0",
-        "muri": "1.3.0",
-        "regexp-clone": "0.0.1",
-        "sliced": "1.0.1"
+        "bson": "^5.0.1",
+        "kareem": "2.5.1",
+        "mongodb": "5.1.0",
+        "mpath": "0.9.0",
+        "mquery": "5.0.0",
+        "ms": "2.1.3",
+        "sift": "16.0.1"
       }
     },
     "mpath": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.3.0.tgz",
-      "integrity": "sha1-elj3iem1/TyUUgY0FXlg8mvV70Q="
-    },
-    "mpromise": {
-      "version": "0.5.5",
-      "resolved": "https://registry.npmjs.org/mpromise/-/mpromise-0.5.5.tgz",
-      "integrity": "sha1-9bJCWddjrMIlewoMjG2Gb9UXMuY="
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.9.0.tgz",
+      "integrity": "sha512-ikJRQTk8hw5DEoFVxHG1Gn9T/xcjtdnOKIU1JTmGjZZlg9LST2mBLmcX3/ICIbgJydT2GOc15RnNy5mHmzfSew=="
     },
     "mquery": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/mquery/-/mquery-2.3.2.tgz",
-      "integrity": "sha512-KXWMypZSvhCuqRtza+HMQZdYw7PfFBjBTFvP31NNAq0OX0/NTIgpcDpkWQ2uTxk6vGQtwQ2elhwhs+ZvCA8OaA==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/mquery/-/mquery-5.0.0.tgz",
+      "integrity": "sha512-iQMncpmEK8R8ncT8HJGsGc9Dsp8xcgYMVSbs5jgnm1lFHTZqMJTUWTDx1LBO8+mK3tPNZWFLBghQEIOULSTHZg==",
       "requires": {
-        "bluebird": "3.5.0",
-        "debug": "2.6.9",
-        "regexp-clone": "0.0.1",
-        "sliced": "0.0.5"
-      },
-      "dependencies": {
-        "sliced": {
-          "version": "0.0.5",
-          "resolved": "https://registry.npmjs.org/sliced/-/sliced-0.0.5.tgz",
-          "integrity": "sha1-XtwETKTrb3gW1Qui/GPiXY/kcH8="
-        }
+        "debug": "4.x"
       }
     },
     "ms": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
-    },
-    "muri": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/muri/-/muri-1.3.0.tgz",
-      "integrity": "sha512-FiaFwKl864onHFFUV/a2szAl7X0fxVlSKNdhTf+BM8i8goEgYut8u5P9MqQqIYwvaMxjzVESsoEm/2kfkFH1rg=="
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
     },
     "once": {
       "version": "1.4.0",
@@ -481,79 +462,70 @@
       "integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA=",
       "dev": true
     },
-    "process-nextick-args": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
-      "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M="
+    "punycode": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.0.tgz",
+      "integrity": "sha512-rRV+zQD8tVFys26lAGR9WUuS4iUAngJScM+ZRSKtvl5tKeZ2t5bvdNFdNHBW9FWR4guGHlgmsZ1G7BSm2wTbuA=="
     },
-    "readable-stream": {
-      "version": "2.2.7",
-      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.7.tgz",
-      "integrity": "sha1-BwV6y+JGeyIELTb5jFrVBwVOlbE=",
+    "saslprep": {
+      "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": {
-        "buffer-shims": "1.0.0",
-        "core-util-is": "1.0.2",
-        "inherits": "2.0.3",
-        "isarray": "1.0.0",
-        "process-nextick-args": "1.0.7",
-        "string_decoder": "1.0.3",
-        "util-deprecate": "1.0.2"
-      },
-      "dependencies": {
-        "inherits": {
-          "version": "2.0.3",
-          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
-          "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
-        }
+        "sparse-bitfield": "^3.0.3"
       }
     },
-    "regexp-clone": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-0.0.1.tgz",
-      "integrity": "sha1-p8LgmJH9vzj7sQ03b7cwA+aKxYk="
+    "sift": {
+      "version": "16.0.1",
+      "resolved": "https://registry.npmjs.org/sift/-/sift-16.0.1.tgz",
+      "integrity": "sha512-Wv6BjQ5zbhW7VFefWusVP33T/EM0vYikCaQ2qR8yULbsilAT8/wQaXvuQ3ptGLpoKx+lihJE3y2UTgKDyyNHZQ=="
     },
-    "require_optional": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/require_optional/-/require_optional-1.0.1.tgz",
-      "integrity": "sha512-qhM/y57enGWHAe3v/NcwML6a3/vfESLe/sGM2dII+gEO0BpKRUkWZow/tyloNqJyN6kXSl3RyyM8Ll5D/sJP8g==",
+    "smart-buffer": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/smart-buffer/-/smart-buffer-4.2.0.tgz",
+      "integrity": "sha512-94hK0Hh8rPqQl2xXc3HsaBoOXKV20MToPkcXvwbISWLEs+64sBq5kFgn2kJDHb1Pry9yrP0dxrCI9RRci7RXKg=="
+    },
+    "socks": {
+      "version": "2.7.1",
+      "resolved": "https://registry.npmjs.org/socks/-/socks-2.7.1.tgz",
+      "integrity": "sha512-7maUZy1N7uo6+WVEX6psASxtNlKaNVMlGQKkG/63nEDdLOWNbiUMoLK7X4uYoLhQstau72mLgfEWcXcwsaHbYQ==",
       "requires": {
-        "resolve-from": "2.0.0",
-        "semver": "5.4.1"
+        "ip": "^2.0.0",
+        "smart-buffer": "^4.2.0"
       }
     },
-    "resolve-from": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-2.0.0.tgz",
-      "integrity": "sha1-lICrIOlP+h2egKgEx+oUdhGWa1c="
-    },
-    "safe-buffer": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
-      "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg=="
+    "sparse-bitfield": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
+      "integrity": "sha512-kvzhi7vqKTfkh0PZU+2D2PIllw2ymqJKujUcyPMd9Y75Nv4nPbGJZXNhxsgdQab2BmlDct1YnfQCguEvHr7VsQ==",
+      "optional": true,
+      "requires": {
+        "memory-pager": "^1.0.2"
+      }
     },
-    "semver": {
-      "version": "5.4.1",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.4.1.tgz",
-      "integrity": "sha512-WfG/X9+oATh81XtllIo/I8gOiY9EXRdv1cQdyykeXK17YcUW3EXUAi2To4pcH6nZtJPr7ZOpM5OMyWJZm+8Rsg=="
+    "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"
+      }
     },
-    "sliced": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
-      "integrity": "sha1-CzpmK10Ewxd7GSa+qCsD+Dei70E="
+    "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=="
     },
-    "string_decoder": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+    "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": {
-        "safe-buffer": "5.1.1"
+        "tr46": "^3.0.0",
+        "webidl-conversions": "^7.0.0"
       }
     },
-    "util-deprecate": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
-    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
diff --git a/package.json b/package.json
index 01d06d3..69d3778 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   "dependencies": {
     "bluebird": "3.5.0",
     "gridfs-stream": "1.1.1",
-    "mongoose": "4.12.3"
+    "mongoose": "7.0.3"
   },
   "devDependencies": {
     "chai": "4.1.0",