diff --git a/backend/package-lock.json b/backend/package-lock.json
index 2998d0d..bc535c2 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -20,7 +20,7 @@
         "express-session": "^1.17.2",
         "gridfs-stream": "^1.1.1",
         "mongodb": "^3.6.3",
-        "mongoose": "^5.11.11",
+        "mongoose": "^5.13.15",
         "nodemon": "^2.0.7"
       },
       "devDependencies": {
@@ -1812,14 +1812,14 @@
       }
     },
     "node_modules/mongodb": {
-      "version": "3.6.10",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.10.tgz",
-      "integrity": "sha512-fvIBQBF7KwCJnDZUnFFy4WqEFP8ibdXeFANnylW19+vOwdjOAvqIzPdsNCEMT6VKTHnYu4K64AWRih0mkFms6Q==",
+      "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": "^1.0.3",
+        "optional-require": "^1.1.8",
         "safe-buffer": "^5.1.2"
       },
       "engines": {
@@ -1849,20 +1849,32 @@
         }
       }
     },
+    "node_modules/mongodb/node_modules/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==",
+      "dependencies": {
+        "require-at": "^1.0.6"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/mongoose": {
-      "version": "5.13.3",
-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.13.3.tgz",
-      "integrity": "sha512-q+zX6kqHAvwxf5speMWhq6qF4vdj+x6/kfD5RSKdZKNm52yGmaUygN+zgrtQjBZPFEzG0B3vF6GP0PoAGadE+w==",
+      "version": "5.13.15",
+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.13.15.tgz",
+      "integrity": "sha512-cxp1Gbb8yUWkaEbajdhspSaKzAvsIvOtRlYD87GN/P2QEUhpd6bIvebi36T6M0tIVAMauNaK9SPA055N3PwF8Q==",
       "dependencies": {
+        "@types/bson": "1.x || 4.0.x",
         "@types/mongodb": "^3.5.27",
-        "@types/node": "14.x || 15.x",
         "bson": "^1.1.4",
         "kareem": "2.3.2",
-        "mongodb": "3.6.10",
+        "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",
@@ -1884,11 +1896,6 @@
         "mongoose": "*"
       }
     },
-    "node_modules/mongoose/node_modules/@types/node": {
-      "version": "15.14.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.14.2.tgz",
-      "integrity": "sha512-dvMUE/m2LbXPwlvVuzCyslTEtQ2ZwuuFClDrOQ6mp2CenCg971719PTILZ4I6bTP27xfFFc+o7x2TkLuun/MPw=="
-    },
     "node_modules/mongoose/node_modules/safe-buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -1909,9 +1916,9 @@
       ]
     },
     "node_modules/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==",
       "engines": {
         "node": ">=4.0.0"
       }
@@ -2390,6 +2397,14 @@
         "semver": "^5.1.0"
       }
     },
+    "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/require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -4563,43 +4578,49 @@
       }
     },
     "mongodb": {
-      "version": "3.6.10",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.10.tgz",
-      "integrity": "sha512-fvIBQBF7KwCJnDZUnFFy4WqEFP8ibdXeFANnylW19+vOwdjOAvqIzPdsNCEMT6VKTHnYu4K64AWRih0mkFms6Q==",
+      "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": "^1.0.3",
+        "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": "5.13.3",
-      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-5.13.3.tgz",
-      "integrity": "sha512-q+zX6kqHAvwxf5speMWhq6qF4vdj+x6/kfD5RSKdZKNm52yGmaUygN+zgrtQjBZPFEzG0B3vF6GP0PoAGadE+w==",
+      "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",
-        "@types/node": "14.x || 15.x",
         "bson": "^1.1.4",
         "kareem": "2.3.2",
-        "mongodb": "3.6.10",
+        "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",
         "sliced": "1.0.1"
       },
       "dependencies": {
-        "@types/node": {
-          "version": "15.14.2",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-15.14.2.tgz",
-          "integrity": "sha512-dvMUE/m2LbXPwlvVuzCyslTEtQ2ZwuuFClDrOQ6mp2CenCg971719PTILZ4I6bTP27xfFFc+o7x2TkLuun/MPw=="
-        },
         "safe-buffer": {
           "version": "5.2.1",
           "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -4614,9 +4635,9 @@
       "requires": {}
     },
     "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",
@@ -4979,6 +5000,11 @@
         "semver": "^5.1.0"
       }
     },
+    "require-at": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/require-at/-/require-at-1.0.6.tgz",
+      "integrity": "sha512-7i1auJbMUrXEAZCOQ0VNJgmcT2VOKPRl2YGJwgpHpC9CE91Mv4/4UYIUm4chGJaI381ZDq1JUicFii64Hapd8g=="
+    },
     "require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
diff --git a/backend/package.json b/backend/package.json
index 475146f..db3c159 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -30,7 +30,7 @@
     "express-session": "^1.17.2",
     "gridfs-stream": "^1.1.1",
     "mongodb": "^3.6.3",
-    "mongoose": "^5.11.11",
+    "mongoose": "^5.13.15",
     "nodemon": "^2.0.7"
   }
 }