dependencies updated

Author: fsojitra

package.json

@@ -8,10 +8,10 @@
   "dependencies": {
     "body-parser": "^1.17.2",
     "cookie-parser": "^1.4.3",
-    "debug": "~2.6.3",
-    "ejs": "~2.5.6",
+    "debug": "^4.1.1",
+    "ejs": "^3.0.1",
     "express": "^4.15.5",
-    "mongoose": "^4.12.0",
+    "mongoose": "^5.9.5",
     "morgan": "^1.8.2",
     "serve-favicon": "^2.4.5"
   },