chore: Update dependencies

Author: fernandopasik

package.json

@@ -42,8 +42,8 @@
     "remarkable": "^1.7.1"
   },
   "devDependencies": {
-    "eslint": "^3.19.0",
-    "jest": "^20.0.0",
+    "eslint": "^4.5.0",
+    "jest": "^20.0.4",
     "react": "^15.6.1",
     "watch": "^1.0.2"
   },