Won't work with Mix 6.0.49

[bryandugan]

I think you need to bump the peer laravel-mix to v6. I'm getting the following error:

npm ERR! Found: laravel-mix@6.0.49
npm ERR! node_modules/laravel-mix
npm ERR!   laravel-mix@"^6.0.49" from the root project
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer laravel-mix@"~4.0 || ~5.0" from laravel-mix-postcss-config@1.4.0
npm ERR! node_modules/laravel-mix-postcss-config
npm ERR!   laravel-mix-postcss-config@"*" from the root project

[lewisleeds-soak]

I am also experiencing this issue.