diff --git a/package-lock.json b/package-lock.json
index 59af219..5cbbfa3 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -1084,6 +1090,7 @@
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@@ -1222,9 +1229,9 @@
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+      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.1.tgz",
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-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
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@@ -4051,12 +4077,14 @@
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-      "integrity": "sha1-TEYTm986HwMt7ZHbSfOO7AFlkFA=",
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-        "require_optional": "~1.0.0"
+        "bson": "^1.1.1",
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-        "debug": "2.6.9",
-        "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-XtwETKTrb3gW1Qui/GPiXY/kcH8="
+        "bluebird": {
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+          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
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+        },
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
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@@ -7098,11 +7156,6 @@
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@@ -7400,6 +7453,7 @@
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           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
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+          "optional": true,
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-          "dev": true
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@@ -7516,13 +7571,15 @@
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-      "dev": true
+      "dev": true,
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       "integrity": "sha1-z1mU4v0mjQD1zw+nZ6CBae2wfsA=",
       "dev": true,
+      "optional": true,
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@@ -7555,7 +7612,8 @@
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-      "dev": true
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@@ -7620,6 +7678,7 @@
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       "dev": true,
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@@ -8774,7 +8833,8 @@
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-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -8807,7 +8867,8 @@
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-      "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M="
+      "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M=",
+      "dev": true
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@@ -9186,6 +9247,7 @@
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       "integrity": "sha1-BwV6y+JGeyIELTb5jFrVBwVOlbE=",
+      "dev": true,
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@@ -9302,9 +9364,9 @@
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-      "integrity": "sha1-p8LgmJH9vzj7sQ03b7cwA+aKxYk="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-1.0.0.tgz",
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@@ -9897,6 +9959,11 @@
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       "dev": true
     },
+    "sift": {
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/sift/-/sift-7.0.1.tgz",
+      "integrity": "sha512-oqD7PMJ+uO6jV9EQCl0LrRw1OwsiPsiFQR5AR30heR+4Dl7jBBbDLnNvWiak20tzZlSE1H7RB30SX/1j/YYT7g=="
+    },
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       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
@@ -9939,6 +10006,7 @@
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       "integrity": "sha1-1275EnyyPCJZ7bHoNJwujV4tdME=",
       "dev": true,
+      "optional": true,
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@@ -10056,6 +10124,7 @@
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       "integrity": "sha1-ZUEYTMkK7qbG57NeJlkIJEPGYZg=",
       "dev": true,
+      "optional": true,
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@@ -10608,6 +10677,7 @@
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+      "dev": true,
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@@ -10616,7 +10686,8 @@
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-      "dev": true
+      "dev": true,
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@@ -11091,6 +11162,7 @@
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       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
       "dev": true,
+      "optional": true,
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@@ -11204,7 +11276,8 @@
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       "integrity": "sha1-a7rwh3UA02vjTsqlhODbn+8DUgk=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -11407,7 +11480,8 @@
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-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
+      "dev": true
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@@ -12061,6 +12135,7 @@
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       "dev": true,
+      "optional": true,
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       }
diff --git a/package.json b/package.json
index 6ded967..1237ed5 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
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     "core-js": "^2.4.1",
     "express": "^4.16.0",
-    "mongoose": "^4.11.14",
+    "mongoose": "^5.7.5",
     "rxjs": "^5.4.2",
     "zone.js": "^0.8.14"
   },