diff --git a/package-lock.json b/package-lock.json
index 1e1cb93..5859b95 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,10 +10,32 @@
       "dependencies": {
         "body-parser": "^1.18.3",
         "express": "^4.16.3",
-        "mongoose": "^5.1.4",
+        "mongoose": "^5.13.15",
         "request": "^2.87.0"
       }
     },
+    "node_modules/@types/bson": {
+      "version": "4.0.5",
+      "resolved": "https://registry.npmjs.org/@types/bson/-/bson-4.0.5.tgz",
+      "integrity": "sha512-vVLwMUqhYJSQ/WKcE60eFqcyuWse5fGH+NMAXHuKrUAPoryq3ATxk5o4bgYNtg5aOM4APVg7Hnb3ASqUYG0PKg==",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
+    "node_modules/@types/mongodb": {
+      "version": "3.6.20",
+      "resolved": "https://registry.npmjs.org/@types/mongodb/-/mongodb-3.6.20.tgz",
+      "integrity": "sha512-WcdpPJCakFzcWWD9juKoZbRtQxKIMYF/JIAM4JrNHrMcnJL6/a2NWjXxW7fo9hxboxxkg+icff8d7+WIEvKgYQ==",
+      "dependencies": {
+        "@types/bson": "*",
+        "@types/node": "*"
+      }
+    },
+    "node_modules/@types/node": {
+      "version": "18.11.18",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.18.tgz",
+      "integrity": "sha512-DHQpWGjyQKSHj3ebjFI/wRKcqQcdR+MoFBygntYOZytCqNfkd2ZC4ARDJ2DQqhjH5p85Nnd3jhUJIXrszFX/JA=="
+    },
     "node_modules/ajv": {
       "version": "5.5.2",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
@@ -70,10 +92,19 @@
         "tweetnacl": "0.14.5"
       }
     },
+    "node_modules/bl": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
+      "integrity": "sha512-6Pesp1w0DEX1N550i/uGV/TqucVL4AM/pgThFSN/Qq9si1/DF9aIHs1BxD8V/QU0HoeHO6cQRTAuYnLPKq1e4g==",
+      "dependencies": {
+        "readable-stream": "^2.3.5",
+        "safe-buffer": "^5.1.1"
+      }
+    },
     "node_modules/bluebird": {
-      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.0.tgz",
-      "integrity": "sha1-eRQg1/VR7qKJdFOop3ZT+WYG1nw="
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
+      "integrity": "sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA=="
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@@ -147,6 +178,14 @@
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     },
+    "node_modules/bson": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.6.tgz",
+      "integrity": "sha512-EvVNVeGo4tHxwi8L6bPj3y3itEvStdwvvlojVxxbyYfoaxJ6keLgrTuKdyfEAszFK+H3olzBuafE0yoh0D1gdg==",
+      "engines": {
+        "node": ">=0.6.19"
+      }
+    },
     "node_modules/bytes": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
@@ -241,6 +280,14 @@
         "node": ">=0.4.0"
       }
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+    "node_modules/denque": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.1.tgz",
+      "integrity": "sha512-XwE+iZ4D6ZUB7mfYRMb5wByE8L74HCn30FBN7sWnXksWc1LO1bPDl67pBR9o/kC4z/xSNAwkMYcGgqDV3BE3Hw==",
+      "engines": {
+        "node": ">=0.10"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
@@ -570,6 +617,11 @@
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       "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
     },
+    "node_modules/isarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+      "integrity": "sha512-VLghIWNM6ELQzo7zwmcg0NmTVyWKYjvIeM83yjp0wRDTmUnrM678fQbcKBo6n2CJEF0szoG//ytg+TKla89ALQ=="
+    },
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       "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
@@ -610,10 +662,10 @@
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-      "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
-      "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk="
+    "node_modules/kareem": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.3.2.tgz",
+      "integrity": "sha512-STHz9P7X2L4Kwn72fA4rGyqyXdmrMSdxqHx9IXon/FXluXieaFA6KJ2upcHAHxQPQ0LeM/OjLrhFxifHewOALQ=="
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     "node_modules/media-typer": {
       "version": "0.3.0",
@@ -623,6 +675,12 @@
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       }
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+    "node_modules/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
+    },
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       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
@@ -663,25 +721,100 @@
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       }
     },
+    "node_modules/mongodb": {
+      "version": "3.7.3",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.7.3.tgz",
+      "integrity": "sha512-Psm+g3/wHXhjBEktkxXsFMZvd3nemI0r3IPsE0bU+4//PnvNWKkzhZcEsbPcYiWqe8XqXJJEg4Tgtr7Raw67Yw==",
+      "dependencies": {
+        "bl": "^2.2.1",
+        "bson": "^1.1.4",
+        "denque": "^1.4.1",
+        "optional-require": "^1.1.8",
+        "safe-buffer": "^5.1.2"
+      },
+      "engines": {
+        "node": ">=4"
+      },
+      "optionalDependencies": {
+        "saslprep": "^1.0.0"
+      },
+      "peerDependenciesMeta": {
+        "aws4": {
+          "optional": true
+        },
+        "bson-ext": {
+          "optional": true
+        },
+        "kerberos": {
+          "optional": true
+        },
+        "mongodb-client-encryption": {
+          "optional": true
+        },
+        "mongodb-extjson": {
+          "optional": true
+        },
+        "snappy": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/mongodb/node_modules/optional-require": {
+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/optional-require/-/optional-require-1.1.8.tgz",
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+      "dependencies": {
+        "require-at": "^1.0.6"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/mongodb/node_modules/safe-buffer": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
     "node_modules/mongoose": {
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-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.1.4.tgz",
-      "integrity": "sha512-GnLZu+Sj08UQuSq7l6v0ZOS7I4zR1P7xj9JtQr1SmaUTGCqmjmsyVO9UjvqgVKhqunWC7sNyTebzZy5dSfWUMg==",
+      "version": "5.13.15",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.13.15.tgz",
+      "integrity": "sha512-cxp1Gbb8yUWkaEbajdhspSaKzAvsIvOtRlYD87GN/P2QEUhpd6bIvebi36T6M0tIVAMauNaK9SPA055N3PwF8Q==",
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-        "bson": "1.0.7",
-        "kareem": "2.1.0",
-        "lodash.get": "4.4.2",
-        "mongodb": "3.0.9",
+        "@types/bson": "1.x || 4.0.x",
+        "@types/mongodb": "^3.5.27",
+        "bson": "^1.1.4",
+        "kareem": "2.3.2",
+        "mongodb": "3.7.3",
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-        "mpath": "0.4.1",
-        "mquery": "3.0.0",
-        "ms": "2.0.0",
-        "regexp-clone": "0.0.1",
+        "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",
         "sliced": "1.0.1"
       },
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         "node": ">=4.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/mongoose"
       }
     },
     "node_modules/mongoose-legacy-pluralize": {
@@ -689,75 +822,65 @@
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-      "dependencies": {
-        "lodash": "4.17.10"
-      }
+    "node_modules/mongoose/node_modules/ms": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
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+    },
+    "node_modules/mongoose/node_modules/safe-buffer": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.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/mpath/-/mpath-0.8.4.tgz",
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-    "node_modules/mongoose/node_modules/kareem": {
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+        "debug": "3.1.0",
+        "regexp-clone": "^1.0.0",
+        "safe-buffer": "5.1.2",
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+    "node_modules/mquery/node_modules/debug": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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-        "regexp-clone": "0.0.1",
-        "sliced": "0.0.5"
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-      "resolved": "https://registry.npmjs.org/sliced/-/sliced-0.0.5.tgz",
-      "integrity": "sha1-XtwETKTrb3gW1Qui/GPiXY/kcH8="
+    "node_modules/mquery/node_modules/safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
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@@ -791,6 +914,14 @@
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+    "node_modules/optional-require": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/optional-require/-/optional-require-1.0.3.tgz",
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@@ -809,6 +940,11 @@
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       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
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+    "node_modules/process-nextick-args": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
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+    },
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       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.3.tgz",
@@ -856,10 +992,24 @@
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+    "node_modules/readable-stream": {
+      "version": "2.3.7",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+      "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+      "dependencies": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.1.1",
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-      "integrity": "sha1-p8LgmJH9vzj7sQ03b7cwA+aKxYk="
+      "version": "1.0.0",
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+      "resolved": "https://registry.npmjs.org/optional-require/-/optional-require-1.0.3.tgz",
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+    },
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       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.2.tgz",
@@ -1704,6 +1943,11 @@
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       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
+    "process-nextick-args": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
+    },
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       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.3.tgz",
@@ -1739,10 +1983,24 @@
         "unpipe": "1.0.0"
       }
     },
+    "readable-stream": {
+      "version": "2.3.7",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+      "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+      "requires": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.1.1",
+        "util-deprecate": "~1.0.1"
+      }
+    },
     "regexp-clone": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-0.0.1.tgz",
-      "integrity": "sha1-p8LgmJH9vzj7sQ03b7cwA+aKxYk="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-1.0.0.tgz",
+      "integrity": "sha512-TuAasHQNamyyJ2hb97IuBEif4qBHGjPHBS64sZwytpLEqtBQ1gPJTnOaQ6qmpET16cK14kkjbazl6+p0RRv0yw=="
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@@ -1771,19 +2029,10 @@
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-      "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==",
-      "requires": {
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-        "semver": "5.5.0"
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-    "resolve-from": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-2.0.0.tgz",
-      "integrity": "sha1-lICrIOlP+h2egKgEx+oUdhGWa1c="
+    "require-at": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/require-at/-/require-at-1.0.6.tgz",
+      "integrity": "sha512-7i1auJbMUrXEAZCOQ0VNJgmcT2VOKPRl2YGJwgpHpC9CE91Mv4/4UYIUm4chGJaI381ZDq1JUicFii64Hapd8g=="
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@@ -1795,21 +2044,39 @@
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-    "semver": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
-      "integrity": "sha512-4SJ3dm0WAwWy/NVeioZh5AntkdJoWKxHxcmyP622fOkgHa4z3R0TdBJICINyaSDE6uNwVc8gZr+ZinwZAH4xIA=="
+    "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": {
+        "sparse-bitfield": "^3.0.3"
+      }
     },
     "setprototypeof": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.0.3.tgz",
       "integrity": "sha1-ZlZ+NwQ+608E2RvWWMDL77VbjgQ="
     },
+    "sift": {
+      "version": "13.5.2",
+      "resolved": "https://registry.npmjs.org/sift/-/sift-13.5.2.tgz",
+      "integrity": "sha512-+gxdEOMA2J+AI+fVsCqeNn7Tgx3M9ZN9jdi95939l1IJ8cZsqS8sqpJyOkic2SJk+1+98Uwryt/gL6XDaV+UZA=="
+    },
     "sliced": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
       "integrity": "sha1-CzpmK10Ewxd7GSa+qCsD+Dei70E="
     },
+    "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"
+      }
+    },
     "sshpk": {
       "version": "1.13.1",
       "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.13.1.tgz",
@@ -1830,6 +2097,14 @@
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     },
+    "string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "requires": {
+        "safe-buffer": "~5.1.0"
+      }
+    },
     "tough-cookie": {
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.3.tgz",
@@ -1866,6 +2141,11 @@
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       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
     },
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
+    },
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
diff --git a/package.json b/package.json
index 8a72887..6adbc32 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   "dependencies": {
     "body-parser": "^1.18.3",
     "express": "^4.16.3",
-    "mongoose": "^5.1.4",
+    "mongoose": "^5.13.15",
     "request": "^2.87.0"
   }
 }