diff --git a/package-lock.json b/package-lock.json
index ae603cc..a5b82fb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3611,11 +3611,6 @@
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@@ -4886,125 +4881,89 @@
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-          "integrity": "sha1-LSFgx3iAMuTdbL4lAvH5osj2zeQ=",
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+          "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.3.tgz",
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-          "integrity": "sha1-gPQNbsW97A3ezw+c4BROeUxGRJo=",
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-          "requires": {
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+      "resolved": "https://registry.npmjs.org/mongoose-legacy-pluralize/-/mongoose-legacy-pluralize-1.0.2.tgz",
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-      "integrity": "sha1-9bJCWddjrMIlewoMjG2Gb9UXMuY="
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-      "integrity": "sha1-pHA7ZPtnNPzlHXhKTfCVyr8aj1c=",
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-        "debug": "2.2.0",
-        "regexp-clone": "0.0.1",
-        "sliced": "0.0.5"
+        "bluebird": "3.5.1",
+        "debug": "3.1.0",
+        "regexp-clone": "^1.0.0",
+        "safe-buffer": "5.1.2",
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-          "integrity": "sha1-AkpVFylTCIV/FPkfEQb8O1VfRGs="
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-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
-          "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
           "requires": {
-            "ms": "0.7.1"
+            "ms": "2.0.0"
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-        "ms": {
-          "version": "0.7.1",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
-          "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg="
-        },
-        "sliced": {
-          "version": "0.0.5",
-          "resolved": "https://registry.npmjs.org/sliced/-/sliced-0.0.5.tgz",
-          "integrity": "sha1-XtwETKTrb3gW1Qui/GPiXY/kcH8="
+        "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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@@ -5028,11 +4987,6 @@
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-      "resolved": "https://registry.npmjs.org/muri/-/muri-1.2.1.tgz",
-      "integrity": "sha1-7H6lzmympSPrGrNbrNpfqBbJqjw="
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@@ -6935,9 +6889,9 @@
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-      "resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-0.0.1.tgz",
-      "integrity": "sha1-p8LgmJH9vzj7sQ03b7cwA+aKxYk="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-1.0.0.tgz",
+      "integrity": "sha512-TuAasHQNamyyJ2hb97IuBEif4qBHGjPHBS64sZwytpLEqtBQ1gPJTnOaQ6qmpET16cK14kkjbazl6+p0RRv0yw=="
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     "regexpu-core": {
       "version": "2.0.0",
@@ -7373,6 +7327,11 @@
         "strip-json-comments": "0.1.3"
       }
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+    "sift": {
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/sift/-/sift-7.0.1.tgz",
+      "integrity": "sha512-oqD7PMJ+uO6jV9EQCl0LrRw1OwsiPsiFQR5AR30heR+4Dl7jBBbDLnNvWiak20tzZlSE1H7RB30SX/1j/YYT7g=="
+    },
     "signal-exit": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
diff --git a/package.json b/package.json
index ba63379..bc1d294 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
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     "md5": "2.2.1",
     "moment": "2.17.1",
-    "mongoose": "4.8.7",
+    "mongoose": "5.7.5",
     "mongoose-mongodb-errors": "0.0.2",
     "multer": "1.3.0",
     "mysql": "^2.15.0",