diff --git a/package-lock.json b/package-lock.json
index 84f6f60..0d05460 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,25 @@
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+      "resolved": "https://registry.npmjs.org/@types/webidl-conversions/-/webidl-conversions-6.1.1.tgz",
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+      "resolved": "https://registry.npmjs.org/@types/whatwg-url/-/whatwg-url-8.2.2.tgz",
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@@ -1106,6 +1148,11 @@
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@@ -1342,6 +1389,12 @@
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@@ -4197,9 +4257,9 @@
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+    "smart-buffer": {
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@@ -4252,6 +4321,15 @@
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@@ -4383,6 +4461,14 @@
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       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
@@ -4462,6 +4548,20 @@
       "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"
+      }
+    },
     "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 338af29..f870f4e 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,6 @@
   },
   "dependencies": {
     "express": "^4.16.4",
-    "mongoose": "^5.7.5"
+    "mongoose": "^6.4.6"
   }
 }