diff --git a/package-lock.json b/package-lock.json
index b9879f8..9bfd54f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@types/node": {
-      "version": "16.7.10",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.7.10.tgz",
-      "integrity": "sha512-S63Dlv4zIPb8x6MMTgDq5WWRJQe56iBEY0O3SOFA9JrRienkOVDXSXBjjJw6HTNQYSE2JI6GMCR6LVbIMHJVvA=="
+      "version": "16.11.7",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.11.7.tgz",
+      "integrity": "sha512-QB5D2sqfSjCmTuWcBWyJ+/44bcjO7VbjSbOE0ucoVbAsSNQc4Lt6QkgkVXkTDwkL4z/beecZNDvVX15D4P8Jbw=="
     },
     "@types/webidl-conversions": {
       "version": "6.1.1",
@@ -98,6 +98,14 @@
         "type-is": "~1.6.16"
       }
     },
+    "bson": {
+      "version": "4.5.4",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-4.5.4.tgz",
+      "integrity": "sha512-wIt0bPACnx8Ju9r6IsS2wVtGDHBr9Dxb+U29A1YED2pu8XOhS8aKjOnLZ8sxyXkPwanoK7iWWVhS1+coxde6xA==",
+      "requires": {
+        "buffer": "^5.6.0"
+      }
+    },
     "buffer": {
       "version": "5.7.1",
       "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
@@ -146,9 +154,9 @@
       }
     },
     "denque": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.0.tgz",
-      "integrity": "sha512-CYiCSgIF1p6EUByQPlGkKnP1M9g0ZV3qMIrqMqZqdwazygIA/YP2vrbcyl1h/WppKJTdl1F85cXIle+394iDAQ=="
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-2.0.1.tgz",
+      "integrity": "sha512-tfiWc6BQLXNLpNiR5iGd0Ocu3P3VpxfzFiqubLgMfhfOw9WyvgJBd46CClNn9k3qfbjvT//0cf7AlYRX/OslMQ=="
     },
     "depd": {
       "version": "1.1.2",
@@ -463,23 +471,34 @@
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
       "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
     },
+    "mongodb": {
+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-4.1.3.tgz",
+      "integrity": "sha512-lHvTqODBiSpuqjpCj48DOyYWS6Iq6ElJNUiH9HWdQtONyOfjgsKzJULipWduMGsSzaNO4nFi/kmlMFCLvjox/Q==",
+      "requires": {
+        "bson": "^4.5.2",
+        "denque": "^2.0.1",
+        "mongodb-connection-string-url": "^2.0.0",
+        "saslprep": "^1.0.3"
+      }
+    },
     "mongodb-connection-string-url": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/mongodb-connection-string-url/-/mongodb-connection-string-url-2.0.0.tgz",
-      "integrity": "sha512-M0I1vyLoq5+HQTuPSJWbt+hIXsMCfE8sS1fS5mvP9R2DOMoi2ZD32yWqgBIITyu0dFu4qtS50erxKjvUeBiyog==",
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/mongodb-connection-string-url/-/mongodb-connection-string-url-2.2.0.tgz",
+      "integrity": "sha512-U0cDxLUrQrl7DZA828CA+o69EuWPWEJTwdMPozyd7cy/dbtncUZczMw7wRHcwMD7oKOn0NM2tF9jdf5FFVW9CA==",
       "requires": {
         "@types/whatwg-url": "^8.2.1",
-        "whatwg-url": "^9.1.0"
+        "whatwg-url": "^11.0.0"
       }
     },
     "mongoose": {
-      "version": "6.0.4",
-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-6.0.4.tgz",
-      "integrity": "sha512-tkbyaGXj1gtIpsIBfp5fqWPzqL36nHfS0x4ykk0H9vHgSWXPvhzabtrs7c94li6Iqv13hTKXXQ4Q09o+mxIONw==",
+      "version": "6.0.12",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-6.0.12.tgz",
+      "integrity": "sha512-BvsZk7zEEhb1AgQFLtxN9C+7qgy5edRuA3ZDDwHU+kHG/HM44vI6FdKV5m6HVdAUeCHHQTiVv+YQh8BRsToSHw==",
       "requires": {
         "bson": "^4.2.2",
         "kareem": "2.3.2",
-        "mongodb": "4.1.1",
+        "mongodb": "4.1.3",
         "mpath": "0.8.4",
         "mquery": "4.0.0",
         "ms": "2.1.2",
@@ -488,14 +507,28 @@
         "sliced": "1.0.1"
       },
       "dependencies": {
-        "bson": {
-          "version": "4.5.1",
-          "resolved": "https://registry.npmjs.org/bson/-/bson-4.5.1.tgz",
-          "integrity": "sha512-XqFP74pbTVLyLy5KFxVfTUyRrC1mgOlmu/iXHfXqfCKT59jyP9lwbotGfbN59cHBRbJSamZNkrSopjv+N0SqAA==",
-          "requires": {
-            "buffer": "^5.6.0"
-          }
-        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
+      }
+    },
+    "mpath": {
+      "version": "0.8.4",
+      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.8.4.tgz",
+      "integrity": "sha512-DTxNZomBcTWlrMW76jy1wvV37X/cNNxPW1y2Jzd4DZkAaC5ZGsm8bfGfNOthcDuRJujXLqiuS6o3Tpy0JEoh7g=="
+    },
+    "mquery": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/mquery/-/mquery-4.0.0.tgz",
+      "integrity": "sha512-nGjm89lHja+T/b8cybAby6H0YgA4qYC/lx6UlwvHGqvTq8bDaNeCwl1sY8uRELrNbVWJzIihxVd+vphGGn1vBw==",
+      "requires": {
+        "debug": "4.x",
+        "regexp-clone": "^1.0.0",
+        "sliced": "1.0.1"
+      },
+      "dependencies": {
         "debug": {
           "version": "4.3.2",
           "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz",
@@ -504,44 +537,13 @@
             "ms": "2.1.2"
           }
         },
-        "mongodb": {
-          "version": "4.1.1",
-          "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-4.1.1.tgz",
-          "integrity": "sha512-fbACrWEyvr6yl0sSiCGV0sqEiBwTtDJ8iSojmkDjAfw9JnOZSAkUyv9seFSPYhPPKwxp1PDtyjvBNfMDz0WBLQ==",
-          "requires": {
-            "bson": "^4.5.1",
-            "denque": "^1.5.0",
-            "mongodb-connection-string-url": "^2.0.0",
-            "saslprep": "^1.0.0"
-          }
-        },
-        "mquery": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/mquery/-/mquery-4.0.0.tgz",
-          "integrity": "sha512-nGjm89lHja+T/b8cybAby6H0YgA4qYC/lx6UlwvHGqvTq8bDaNeCwl1sY8uRELrNbVWJzIihxVd+vphGGn1vBw==",
-          "requires": {
-            "debug": "4.x",
-            "regexp-clone": "^1.0.0",
-            "sliced": "1.0.1"
-          }
-        },
         "ms": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
           "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
-        },
-        "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=="
         }
       }
     },
-    "mpath": {
-      "version": "0.8.4",
-      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.8.4.tgz",
-      "integrity": "sha512-DTxNZomBcTWlrMW76jy1wvV37X/cNNxPW1y2Jzd4DZkAaC5ZGsm8bfGfNOthcDuRJujXLqiuS6o3Tpy0JEoh7g=="
-    },
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -702,9 +704,9 @@
       "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
     },
     "tr46": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/tr46/-/tr46-2.1.0.tgz",
-      "integrity": "sha512-15Ih7phfcdP5YxqiB+iDtLoaTz4Nd35+IiAv0kQ5FNKHzXgdWqPoTIqEDDJmXceQt4JZk6lVPT8lnDlPpGDppw==",
+      "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"
       }
@@ -752,17 +754,17 @@
       }
     },
     "webidl-conversions": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-6.1.0.tgz",
-      "integrity": "sha512-qBIvFLGiBpLjfwmYAaHPXsn+ho5xZnGvyGvsarywGNc8VyQJUMHJ8OBKGGrPER0okBeMDaan4mNBlgBROxuI8w=="
+      "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": "9.1.0",
-      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-9.1.0.tgz",
-      "integrity": "sha512-CQ0UcrPHyomtlOCot1TL77WyMIm/bCwrJ2D6AOKGwEczU9EpyoqAokfqrf/MioU9kHcMsmJZcg1egXix2KYEsA==",
+      "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": "^2.1.0",
-        "webidl-conversions": "^6.1.0"
+        "tr46": "^3.0.0",
+        "webidl-conversions": "^7.0.0"
       }
     }
   }
diff --git a/package.json b/package.json
index 922a48a..b43ae26 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "dependencies": {
         "body-parser": "^1.18.2",
         "express": "^4.15.4",
-        "mongoose": "^6.0.0",
+        "mongoose": "^6.0.12",
         "q": "^1.5.1",
         "web-push": "^3.4.4"
     }