diff --git a/package-lock.json b/package-lock.json
index 4d1d8db..66a4b30 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -400,6 +400,15 @@
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+      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.0.tgz",
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@@ -791,6 +800,11 @@
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+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
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@@ -928,6 +942,11 @@
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+    "denque": {
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+      "resolved": "https://registry.npmjs.org/denque/-/denque-1.4.1.tgz",
+      "integrity": "sha512-OfzPuSZKGcgr96rf1oODnfjqBFmr1DVoc/TrItj3Ohe0Ah1C5WX5Baquw/9U9KovnQ88EqmJbD66rKYUQYN1tQ=="
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       "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-3.0.1.tgz",
@@ -1935,8 +1954,7 @@
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-      "dev": true
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
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@@ -2223,8 +2241,7 @@
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-      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
-      "dev": true
+      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
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     "isexe": {
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@@ -2585,11 +2602,13 @@
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-      "version": "3.4.0",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.4.0.tgz",
-      "integrity": "sha512-W90jm/n8F0Edm47ljkVRK9l8qGW9g8T9ZSiZWRiUP58wLhsCJCeN/JxdpVnH0CUwwAw2hITUcCo9x58udpX2Uw==",
+      "version": "3.5.2",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.5.2.tgz",
+      "integrity": "sha512-Lxt4th2tK2MxmkDBR5cMik+xEnkvhwg0BC5kGcHm9RBwaNEsrIryvV5istGXOHbnif5KslMpY1FbX6YbGJ/Trg==",
       "requires": {
+        "bl": "^2.2.0",
         "bson": "^1.1.1",
+        "denque": "^1.4.1",
         "require_optional": "^1.0.1",
         "safe-buffer": "^5.1.2",
         "saslprep": "^1.0.0"
@@ -3035,6 +3054,11 @@
         "parse-ms": "^2.1.0"
       }
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+    "process-nextick-args": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
+    },
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       "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.3.tgz",
@@ -3112,6 +3136,27 @@
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+    "readable-stream": {
+      "version": "2.3.7",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+      "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+      "requires": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.1.1",
+        "util-deprecate": "~1.0.1"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+        }
+      }
+    },
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       "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.3.0.tgz",
@@ -3499,6 +3544,21 @@
         "function-bind": "^1.1.1"
       }
     },
+    "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==",
+      "requires": {
+        "safe-buffer": "~5.1.0"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+        }
+      }
+    },
     "strip-ansi": {
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       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
@@ -3813,6 +3873,11 @@
         "prepend-http": "^2.0.0"
       }
     },
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+    },
     "v8-compile-cache": {
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       "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz",
diff --git a/package.json b/package.json
index 0d85503..77c620c 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
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     "dotenv": "8.2.0",
     "jsonwebtoken": "8.5.1",
-    "mongodb": "3.4.0",
+    "mongodb": "3.5.2",
     "then-sleep": "1.0.1"
   },
   "devDependencies": {