diff --git a/package-lock.json b/package-lock.json
index 8c7d681..2ef1a86 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "express": "^4.17.1",
         "jsonwebtoken": "^8.5.1",
         "lodash": "^4.17.21",
-        "mongoose": "^5.12.10",
+        "mongoose": "^5.13.15",
         "morgan": "^1.10.0"
       },
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@@ -515,9 +515,9 @@
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-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.3.tgz",
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@@ -564,9 +564,9 @@
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-      "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.0.tgz",
-      "integrity": "sha512-CYiCSgIF1p6EUByQPlGkKnP1M9g0ZV3qMIrqMqZqdwazygIA/YP2vrbcyl1h/WppKJTdl1F85cXIle+394iDAQ==",
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.1.tgz",
+      "integrity": "sha512-XwE+iZ4D6ZUB7mfYRMb5wByE8L74HCn30FBN7sWnXksWc1LO1bPDl67pBR9o/kC4z/xSNAwkMYcGgqDV3BE3Hw==",
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@@ -1048,7 +1048,7 @@
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-      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
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@@ -1285,14 +1285,14 @@
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-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.6.tgz",
-      "integrity": "sha512-WlirMiuV1UPbej5JeCMqE93JRfZ/ZzqE7nJTwP85XzjAF4rRSeq2bGCb1cjfoHLOF06+HxADaPGqT0g3SbVT1w==",
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+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.7.3.tgz",
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         "bson": "^1.1.4",
         "denque": "^1.4.1",
-        "optional-require": "^1.0.2",
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         "safe-buffer": "^5.1.2"
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@@ -1322,19 +1322,32 @@
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+    "node_modules/mongodb/node_modules/optional-require": {
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+      "resolved": "https://registry.npmjs.org/optional-require/-/optional-require-1.1.8.tgz",
+      "integrity": "sha512-jq83qaUb0wNg9Krv1c5OQ+58EK+vHde6aBPzLvPPqJm89UQWsvSuFy9X/OSNJnFeSOKo7btE0n8Nl2+nE+z5nA==",
+      "dependencies": {
+        "require-at": "^1.0.6"
+      },
+      "engines": {
+        "node": ">=4"
+      }
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-      "version": "5.12.10",
-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.12.10.tgz",
-      "integrity": "sha512-/VmFFEACH2yiuPcJoBjOzVTXozBhCeminVbWI8mxiZwvgCbNu9PQrIABIgeCJncnZH8VT4G7s2IXO5FySxF1XA==",
+      "version": "5.13.15",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.13.15.tgz",
+      "integrity": "sha512-cxp1Gbb8yUWkaEbajdhspSaKzAvsIvOtRlYD87GN/P2QEUhpd6bIvebi36T6M0tIVAMauNaK9SPA055N3PwF8Q==",
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         "@types/mongodb": "^3.5.27",
         "bson": "^1.1.4",
         "kareem": "2.3.2",
-        "mongodb": "3.6.6",
+        "mongodb": "3.7.3",
         "mongoose-legacy-pluralize": "1.0.2",
-        "mpath": "0.8.3",
+        "mpath": "0.8.4",
         "mquery": "3.2.5",
         "ms": "2.1.2",
+        "optional-require": "1.0.x",
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         "safe-buffer": "5.2.1",
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@@ -1404,9 +1417,9 @@
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-      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.8.3.tgz",
-      "integrity": "sha512-eb9rRvhDltXVNL6Fxd2zM9D4vKBxjVVQNLNijlj7uoXUy19zNDsIif5zR+pWmPCWNKwAtqyo4JveQm4nfD5+eA==",
+      "version": "0.8.4",
+      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.8.4.tgz",
+      "integrity": "sha512-DTxNZomBcTWlrMW76jy1wvV37X/cNNxPW1y2Jzd4DZkAaC5ZGsm8bfGfNOthcDuRJujXLqiuS6o3Tpy0JEoh7g==",
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         "node": ">=4.0.0"
       }
@@ -1772,6 +1785,14 @@
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+    "node_modules/require-at": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/require-at/-/require-at-1.0.6.tgz",
+      "integrity": "sha512-7i1auJbMUrXEAZCOQ0VNJgmcT2VOKPRl2YGJwgpHpC9CE91Mv4/4UYIUm4chGJaI381ZDq1JUicFii64Hapd8g==",
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/responselike": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/responselike/-/responselike-1.0.2.tgz",
@@ -1898,7 +1919,7 @@
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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,
       "dependencies": {
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@@ -2121,7 +2142,7 @@
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       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
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     "node_modules/utils-merge": {
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@@ -2573,9 +2594,9 @@
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
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-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.3.tgz",
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     "crypto-random-string": {
       "version": "2.0.0",
@@ -2613,9 +2634,9 @@
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-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.0.tgz",
-      "integrity": "sha512-CYiCSgIF1p6EUByQPlGkKnP1M9g0ZV3qMIrqMqZqdwazygIA/YP2vrbcyl1h/WppKJTdl1F85cXIle+394iDAQ=="
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.1.tgz",
+      "integrity": "sha512-XwE+iZ4D6ZUB7mfYRMb5wByE8L74HCn30FBN7sWnXksWc1LO1bPDl67pBR9o/kC4z/xSNAwkMYcGgqDV3BE3Hw=="
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@@ -2985,7 +3006,7 @@
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       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+      "integrity": "sha512-VLghIWNM6ELQzo7zwmcg0NmTVyWKYjvIeM83yjp0wRDTmUnrM678fQbcKBo6n2CJEF0szoG//ytg+TKla89ALQ=="
     },
     "json-buffer": {
       "version": "3.0.0",
@@ -3183,31 +3204,43 @@
       "dev": true
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-      "version": "3.6.6",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.6.tgz",
-      "integrity": "sha512-WlirMiuV1UPbej5JeCMqE93JRfZ/ZzqE7nJTwP85XzjAF4rRSeq2bGCb1cjfoHLOF06+HxADaPGqT0g3SbVT1w==",
+      "version": "3.7.3",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.7.3.tgz",
+      "integrity": "sha512-Psm+g3/wHXhjBEktkxXsFMZvd3nemI0r3IPsE0bU+4//PnvNWKkzhZcEsbPcYiWqe8XqXJJEg4Tgtr7Raw67Yw==",
       "requires": {
         "bl": "^2.2.1",
         "bson": "^1.1.4",
         "denque": "^1.4.1",
-        "optional-require": "^1.0.2",
+        "optional-require": "^1.1.8",
         "safe-buffer": "^5.1.2",
         "saslprep": "^1.0.0"
+      },
+      "dependencies": {
+        "optional-require": {
+          "version": "1.1.8",
+          "resolved": "https://registry.npmjs.org/optional-require/-/optional-require-1.1.8.tgz",
+          "integrity": "sha512-jq83qaUb0wNg9Krv1c5OQ+58EK+vHde6aBPzLvPPqJm89UQWsvSuFy9X/OSNJnFeSOKo7btE0n8Nl2+nE+z5nA==",
+          "requires": {
+            "require-at": "^1.0.6"
+          }
+        }
       }
     },
     "mongoose": {
-      "version": "5.12.10",
-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.12.10.tgz",
-      "integrity": "sha512-/VmFFEACH2yiuPcJoBjOzVTXozBhCeminVbWI8mxiZwvgCbNu9PQrIABIgeCJncnZH8VT4G7s2IXO5FySxF1XA==",
+      "version": "5.13.15",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.13.15.tgz",
+      "integrity": "sha512-cxp1Gbb8yUWkaEbajdhspSaKzAvsIvOtRlYD87GN/P2QEUhpd6bIvebi36T6M0tIVAMauNaK9SPA055N3PwF8Q==",
       "requires": {
+        "@types/bson": "1.x || 4.0.x",
         "@types/mongodb": "^3.5.27",
         "bson": "^1.1.4",
         "kareem": "2.3.2",
-        "mongodb": "3.6.6",
+        "mongodb": "3.7.3",
         "mongoose-legacy-pluralize": "1.0.2",
-        "mpath": "0.8.3",
+        "mpath": "0.8.4",
         "mquery": "3.2.5",
         "ms": "2.1.2",
+        "optional-require": "1.0.x",
         "regexp-clone": "1.0.0",
         "safe-buffer": "5.2.1",
         "sift": "13.5.2",
@@ -3252,9 +3285,9 @@
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     "mpath": {
-      "version": "0.8.3",
-      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.8.3.tgz",
-      "integrity": "sha512-eb9rRvhDltXVNL6Fxd2zM9D4vKBxjVVQNLNijlj7uoXUy19zNDsIif5zR+pWmPCWNKwAtqyo4JveQm4nfD5+eA=="
+      "version": "0.8.4",
+      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.8.4.tgz",
+      "integrity": "sha512-DTxNZomBcTWlrMW76jy1wvV37X/cNNxPW1y2Jzd4DZkAaC5ZGsm8bfGfNOthcDuRJujXLqiuS6o3Tpy0JEoh7g=="
     },
     "mquery": {
       "version": "3.2.5",
@@ -3537,6 +3570,11 @@
         "rc": "^1.2.8"
       }
     },
+    "require-at": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/require-at/-/require-at-1.0.6.tgz",
+      "integrity": "sha512-7i1auJbMUrXEAZCOQ0VNJgmcT2VOKPRl2YGJwgpHpC9CE91Mv4/4UYIUm4chGJaI381ZDq1JUicFii64Hapd8g=="
+    },
     "responselike": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/responselike/-/responselike-1.0.2.tgz",
@@ -3649,7 +3687,7 @@
     "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": {
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@@ -3818,7 +3856,7 @@
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
     },
     "utils-merge": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
index 34da56c..77ceaa2 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "express": "^4.17.1",
     "jsonwebtoken": "^8.5.1",
     "lodash": "^4.17.21",
-    "mongoose": "^5.12.10",
+    "mongoose": "^5.13.15",
     "morgan": "^1.10.0"
   },
   "name": "y",