diff --git a/package-lock.json b/package-lock.json
index 30da102..b6fb600 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,28 +4,25 @@
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-        "@types/node": "*"
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-      "integrity": "sha1-CzpmK10Ewxd7GSa+qCsD+Dei70E="
+      "version": "16.0.0",
+      "resolved": "https://registry.npmjs.org/sift/-/sift-16.0.0.tgz",
+      "integrity": "sha512-ILTjdP2Mv9V1kIxWMXeMTIRbOBrqKc4JAXmFMnFq3fKeyQ2Qwa3Dw1ubcye3vR+Y6ofA0b9gNDr/y2t6eUeIzQ=="
+    },
+    "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": "2.7.0",
+      "resolved": "https://registry.npmjs.org/socks/-/socks-2.7.0.tgz",
+      "integrity": "sha512-scnOe9y4VuiNUULJN72GrM26BNOjVsfPXI+j+98PkyEfsIXroa5ofyjT+FzGvn/xHs73U2JtoBYAVx9Hl4quSA==",
+      "requires": {
+        "ip": "^2.0.0",
+        "smart-buffer": "^4.2.0"
+      }
     },
     "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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@@ -629,12 +596,12 @@
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
       "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
     },
-    "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==",
+    "tr46": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-3.0.0.tgz",
+      "integrity": "sha512-l7FvfAHlcmulp8kr+flpQZmVwtu7nfRV7NZujtN0OqES8EL4O4e0qqzL0DC5gAvx/ZC/9lk6rhcUwYvkBnBnYA==",
       "requires": {
-        "safe-buffer": "~5.1.0"
+        "punycode": "^2.1.1"
       }
     },
     "type-is": {
@@ -651,11 +618,6 @@
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
     },
-    "util-deprecate": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
-    },
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
@@ -665,6 +627,20 @@
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       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+    },
+    "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"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 579f28e..09fc983 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,6 @@
     "body-parser": "^1.18.3",
     "ejs": "^2.6.1",
     "express": "^4.16.3",
-    "mongoose": "^5.12.9"
+    "mongoose": "^6.4.6"
   }
 }