diff --git a/server/package-lock.json b/server/package-lock.json
index d0724ce..6b98e85 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -4,6 +4,25 @@
   "lockfileVersion": 1,
   "requires": true,
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+      "version": "16.7.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.7.1.tgz",
+      "integrity": "sha512-ncRdc45SoYJ2H4eWU9ReDfp3vtFqDYhjOsKlFFUDEn8V1Bgr2RjYal8YT5byfadWIRluhPFU6JiDOl0H6Sl87A=="
+    },
+    "@types/webidl-conversions": {
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/@types/webidl-conversions/-/webidl-conversions-6.1.1.tgz",
+      "integrity": "sha512-XAahCdThVuCFDQLT7R7Pk/vqeObFNL3YqRyFZg+AqAP/W1/w3xHaIxuW7WszQqTbIBOPRcItYJIou3i/mppu3Q=="
+    },
+    "@types/whatwg-url": {
+      "version": "8.2.1",
+      "resolved": "https://registry.npmjs.org/@types/whatwg-url/-/whatwg-url-8.2.1.tgz",
+      "integrity": "sha512-2YubE1sjj5ifxievI5Ge1sckb9k/Er66HyR2c+3+I6VDUUg1TLPdYYTEbQ+DjRkS4nTxMJhgWfSfMRD2sl2EYQ==",
+      "requires": {
+        "@types/node": "*",
+        "@types/webidl-conversions": "*"
+      }
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       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
@@ -47,6 +66,11 @@
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       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
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+    "base64-js": {
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+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
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+    },
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       "resolved": "https://registry.npmjs.org/bcrypt/-/bcrypt-5.0.0.tgz",
@@ -61,15 +85,6 @@
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-      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
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@@ -97,9 +112,21 @@
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-      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.5.tgz",
-      "integrity": "sha512-kDuEzldR21lHciPQAIulLs1LZlCXdLziXI6Mb/TDkwXhb//UORJNPXgcRs2CuO4H0DcMkpfT3/ySsP3unoZjBg=="
+      "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"
+      }
+    },
+    "buffer": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "requires": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
+      }
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@@ -194,9 +221,9 @@
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     },
     "denque": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/denque/-/denque-1.4.1.tgz",
-      "integrity": "sha512-OfzPuSZKGcgr96rf1oODnfjqBFmr1DVoc/TrItj3Ohe0Ah1C5WX5Baquw/9U9KovnQ88EqmJbD66rKYUQYN1tQ=="
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.1.tgz",
+      "integrity": "sha512-XwE+iZ4D6ZUB7mfYRMb5wByE8L74HCn30FBN7sWnXksWc1LO1bPDl67pBR9o/kC4z/xSNAwkMYcGgqDV3BE3Hw=="
     },
     "depd": {
       "version": "1.1.2",
@@ -374,6 +401,11 @@
         "safer-buffer": ">= 2.1.2 < 3"
       }
     },
+    "ieee754": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
+      "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA=="
+    },
     "ignore-walk": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/ignore-walk/-/ignore-walk-3.0.3.tgz",
@@ -497,18 +529,25 @@
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     "mongodb": {
-      "version": "3.6.3",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.6.3.tgz",
-      "integrity": "sha512-rOZuR0QkodZiM+UbQE5kDsJykBqWi0CL4Ec2i1nrGrUI3KO11r6Fbxskqmq3JK2NH7aW4dcccBuUujAP0ERl5w==",
-      "requires": {
-        "bl": "^2.2.1",
-        "bson": "^1.1.4",
-        "denque": "^1.4.1",
-        "require_optional": "^1.0.1",
-        "safe-buffer": "^5.1.2",
+      "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"
       }
     },
+    "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==",
+      "requires": {
+        "@types/whatwg-url": "^8.2.1",
+        "whatwg-url": "^9.1.0"
+      }
+    },
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -683,6 +722,11 @@
         "ipaddr.js": "1.9.1"
       }
     },
+    "punycode": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
+      "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
+    },
     "qs": {
       "version": "6.7.0",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.7.0.tgz",
@@ -741,20 +785,6 @@
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       "integrity": "sha1-xYDXfvLPyHUrEySYBg3JeTp6wBw="
     },
-    "require_optional": {
-      "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": {
-        "resolve-from": "^2.0.0",
-        "semver": "^5.1.0"
-      }
-    },
-    "resolve-from": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-2.0.0.tgz",
-      "integrity": "sha1-lICrIOlP+h2egKgEx+oUdhGWa1c="
-    },
     "rimraf": {
       "version": "2.7.1",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
@@ -916,6 +946,14 @@
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
       "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
     },
+    "tr46": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-2.1.0.tgz",
+      "integrity": "sha512-15Ih7phfcdP5YxqiB+iDtLoaTz4Nd35+IiAv0kQ5FNKHzXgdWqPoTIqEDDJmXceQt4JZk6lVPT8lnDlPpGDppw==",
+      "requires": {
+        "punycode": "^2.1.1"
+      }
+    },
     "type-is": {
       "version": "1.6.18",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
@@ -945,6 +983,20 @@
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
+    "webidl-conversions": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-6.1.0.tgz",
+      "integrity": "sha512-qBIvFLGiBpLjfwmYAaHPXsn+ho5xZnGvyGvsarywGNc8VyQJUMHJ8OBKGGrPER0okBeMDaan4mNBlgBROxuI8w=="
+    },
+    "whatwg-url": {
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-9.1.0.tgz",
+      "integrity": "sha512-CQ0UcrPHyomtlOCot1TL77WyMIm/bCwrJ2D6AOKGwEczU9EpyoqAokfqrf/MioU9kHcMsmJZcg1egXix2KYEsA==",
+      "requires": {
+        "tr46": "^2.1.0",
+        "webidl-conversions": "^6.1.0"
+      }
+    },
     "wide-align": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
diff --git a/server/package.json b/server/package.json
index 238bb89..d833a36 100644
--- a/server/package.json
+++ b/server/package.json
@@ -23,7 +23,7 @@
     "cors": "^2.8.5",
     "crypto-js": "^4.0.0",
     "express": "^4.17.1",
-    "mongodb": "^3.6.3",
+    "mongodb": "^4.1.1",
     "readline": "^1.3.0",
     "ws": "^7.4.0"
   }