Fix security issues

package.json

@@ -11,19 +11,20 @@
     "watch": "nodemon --config ./nodemon.json --"
   },
   "dependencies": {
-    "cookie-parser": "~1.4.3",
+    "bigint-hash": "^0.2.2",
+    "cookie-parser": "^1.4.4",
     "debug": "~2.6.9",
     "express": "~4.16.0",
     "morgan": "~1.9.0",
     "rimraf": "^2.6.3"
   },
   "devDependencies": {
-    "@babel/cli": "^7.2.3",
-    "@babel/core": "^7.2.2",
+    "@babel/cli": "^7.4.4",
+    "@babel/core": "^7.4.4",
     "@babel/node": "^7.2.2",
-    "@babel/preset-env": "^7.3.1",
-    "eslint": "^5.13.0",
-    "eslint-plugin-import": "^2.16.0",
-    "nodemon": "^1.18.9"
+    "@babel/preset-env": "^7.4.4",
+    "eslint": "^5.16.0",
+    "eslint-plugin-import": "^2.17.2",
+    "nodemon": "^1.19.0"
   }
 }