Update dependencies

package.json

@@ -50,10 +50,10 @@
   },
   "dependencies": {
     "body-parser": "^1.14.1",
-    "es6-promisify": "^5.0.0",
+    "es6-promisify": "^6.0.0",
     "express": "^4.13.3",
     "glob": "^7.0.0",
-    "request": "^2.64.0",
+    "request": "^2.83.0",
     "swig": "^1.4.2",
     "web-push": "^3.2.2"
   },