Package audit lodash security issue moderate with Prototype Pollution
Hi,

Can we do a patch update of lodash version to `4.17.11`? `yarn audit` is giving a moderate security issue of `Prototype Pollution`. Thanks.
<img width="566" alt="screenshot 2019-02-13 at 18 41 25" src="https://user-images.githubusercontent.com/7289071/52736632-2efcef80-2fc2-11e9-9826-48fd1d14cd6e.png">
