diff --git a/package-lock.json b/package-lock.json
index 916897c..5f580c1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -600,6 +600,11 @@
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       "dev": true
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+    "bluebird": {
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+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
+      "integrity": "sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA=="
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@@ -881,7 +886,7 @@
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-      "resolved": "http://registry.npmjs.org/debug/-/debug-0.8.1.tgz",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-0.8.1.tgz",
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@@ -1263,7 +1268,8 @@
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@@ -1284,12 +1290,14 @@
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+          "dev": true,
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@@ -1304,17 +1312,20 @@
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@@ -1431,7 +1442,8 @@
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           "version": "2.0.3",
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-          "dev": true
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@@ -1443,6 +1455,7 @@
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@@ -1457,6 +1470,7 @@
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@@ -1464,12 +1478,14 @@
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           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -1488,6 +1504,7 @@
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           "dev": true,
+          "optional": true,
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@@ -1568,7 +1585,8 @@
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           "version": "1.0.1",
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -1580,6 +1598,7 @@
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           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -1665,7 +1684,8 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -1701,6 +1721,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -1720,6 +1741,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -1763,12 +1785,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -1877,11 +1901,6 @@
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-      "resolved": "https://registry.npmjs.org/hooks/-/hooks-0.2.1.tgz",
-      "integrity": "sha1-D1kbGzRL3LPfWXc/Yvu6+Fv0Aos="
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       "resolved": "https://registry.npmjs.org/ignore-by-default/-/ignore-by-default-1.0.1.tgz",
@@ -2166,11 +2185,10 @@
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-      "resolved": "https://registry.npmjs.org/kerberos/-/kerberos-0.0.3.tgz",
-      "integrity": "sha1-QoXZKgdI2yeEBi9a3OyfWVbLgYo=",
-      "optional": true
+    "kareem": {
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+      "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.3.1.tgz",
+      "integrity": "sha512-l3hLhffs9zqoDe8zjmb/mAN4B8VT3L56EUvKNqLFVs9YlFA+zx7ke1DO8STAdDyYNkeSo1nKmjuvQeI12So8Xw=="
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@@ -2373,36 +2391,45 @@
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-      "resolved": "http://registry.npmjs.org/mongoose/-/mongoose-3.6.20.tgz",
-      "integrity": "sha1-RyY4Q+a4EuogfuwQTECjbI0hX1M=",
-      "requires": {
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-        "mpath": "0.1.1",
-        "mpromise": "0.2.1",
-        "ms": "0.1.0",
-        "muri": "0.3.1",
-        "regexp-clone": "0.0.1",
-        "sliced": "0.0.5"
+      "version": "5.7.5",
+      "resolved": "http://registry.npmjs.org/mongoose/-/mongoose-5.7.5.tgz",
+      "integrity": "sha512-BZ4FxtnbTurc/wcm/hLltLdI4IDxo4nsE0D9q58YymTdZwreNzwO62CcjVtaHhmr8HmJtOInp2W/T12FZaMf8g==",
+      "requires": {
+        "bson": "~1.1.1",
+        "kareem": "2.3.1",
+        "mongodb": "3.3.2",
+        "mongoose-legacy-pluralize": "1.0.2",
+        "mpath": "0.6.0",
+        "mquery": "3.2.2",
+        "ms": "2.1.2",
+        "regexp-clone": "1.0.0",
+        "safe-buffer": "5.1.2",
+        "sift": "7.0.1",
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-          "resolved": "https://registry.npmjs.org/bson/-/bson-0.2.2.tgz",
-          "integrity": "sha1-Pb+YSsudM6aHi0bm+3r71hGFamA="
+          "version": "1.1.6",
+          "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.6.tgz",
+          "integrity": "sha512-EvVNVeGo4tHxwi8L6bPj3y3itEvStdwvvlojVxxbyYfoaxJ6keLgrTuKdyfEAszFK+H3olzBuafE0yoh0D1gdg=="
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-          "resolved": "http://registry.npmjs.org/mongodb/-/mongodb-1.3.19.tgz",
-          "integrity": "sha1-8inbJAmPAZ2G0TWq+KGrXyZYsdQ=",
+          "version": "3.3.2",
+          "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.3.2.tgz",
+          "integrity": "sha512-fqJt3iywelk4yKu/lfwQg163Bjpo5zDKhXiohycvon4iQHbrfflSAz9AIlRE6496Pm/dQKQK5bMigdVo2s6gBg==",
           "requires": {
-            "bson": "0.2.2",
-            "kerberos": "0.0.3"
+            "bson": "^1.1.1",
+            "require_optional": "^1.0.1",
+            "safe-buffer": "^5.1.2"
           }
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       }
     },
+    "mongoose-legacy-pluralize": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/mongoose-legacy-pluralize/-/mongoose-legacy-pluralize-1.0.2.tgz",
+      "integrity": "sha512-Yo/7qQU4/EyIS8YDFSeenIvXxZN+ld7YdV9LqFVQJzTLye8unujAWPZ4NWKfFA+RNjh+wvTWKY9Z3E5XM6ZZiQ=="
+    },
     "morgan": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/morgan/-/morgan-1.9.1.tgz",
@@ -2431,34 +2458,41 @@
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-      "version": "0.1.1",
-      "resolved": "http://registry.npmjs.org/mpath/-/mpath-0.1.1.tgz",
-      "integrity": "sha1-I9qFK3wjLuCX9HWdKcDunNItXkY="
+      "version": "0.6.0",
+      "resolved": "http://registry.npmjs.org/mpath/-/mpath-0.6.0.tgz",
+      "integrity": "sha512-i75qh79MJ5Xo/sbhxrDrPSEG0H/mr1kcZXJ8dH6URU5jD/knFxCVqVC/gVSW7GIXL/9hHWlT9haLbCXWOll3qw=="
     },
-    "mpromise": {
-      "version": "0.2.1",
-      "resolved": "https://registry.npmjs.org/mpromise/-/mpromise-0.2.1.tgz",
-      "integrity": "sha1-+73CjLAgfkm4pOsaTAzqbC3nlMg=",
+    "mquery": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/mquery/-/mquery-3.2.2.tgz",
+      "integrity": "sha512-XB52992COp0KP230I3qloVUbkLUxJIu328HBP2t2EsxSFtf4W1HPSOBWOXf1bqxK4Xbb66lfMJ+Bpfd9/yZE1Q==",
       "requires": {
-        "sliced": "0.0.4"
+        "bluebird": "3.5.1",
+        "debug": "3.1.0",
+        "regexp-clone": "^1.0.0",
+        "safe-buffer": "5.1.2",
+        "sliced": "1.0.1"
       },
       "dependencies": {
-        "sliced": {
-          "version": "0.0.4",
-          "resolved": "https://registry.npmjs.org/sliced/-/sliced-0.0.4.tgz",
-          "integrity": "sha1-NPiabbHzH6Ul9aVw9bz4d88JVe4="
+        "debug": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
         }
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     "ms": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-0.1.0.tgz",
-      "integrity": "sha1-8h+sSQ2vHXZn/RgP6QdzicyUQrI="
-    },
-    "muri": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/muri/-/muri-0.3.1.tgz",
-      "integrity": "sha1-hhiJxchX8aQ3AL7oXVBzH2FyfJo="
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
     "nan": {
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@@ -2807,9 +2841,9 @@
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-      "version": "0.0.1",
-      "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=="
     },
     "registry-auth-token": {
       "version": "3.3.2",
@@ -2991,6 +3025,11 @@
       "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
       "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=="
+    },
     "signal-exit": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
@@ -2998,9 +3037,9 @@
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-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/sliced/-/sliced-0.0.5.tgz",
-      "integrity": "sha1-XtwETKTrb3gW1Qui/GPiXY/kcH8="
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
+      "integrity": "sha1-CzpmK10Ewxd7GSa+qCsD+Dei70E="
     },
     "snapdragon": {
       "version": "0.8.2",
diff --git a/package.json b/package.json
index eaf6114..1a0a682 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "express": "~4.0.0",
     "jsonwebtoken": "^8.3.0",
     "mongodb": "^3.1.6",
-    "mongoose": "~3.6.13",
+    "mongoose": "~5.7.5",
     "morgan": "^1.9.1"
   },
   "author": "Sanjay",