The devDependency gulp-clean-css was updated from 3.10.0 to 4.0.0.
This version is not covered by your current version range.
If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.
Release Notes for 4.0.0
Deprecate supported node versions 4 & 5 (end of life)
FAQ and help
There is a collection of [frequently asked questions](https://greenkeeper.io/faq.html). If those don’t help, you can always [ask the humans behind Greenkeeper](https://github.com/greenkeeperio/greenkeeper/issues/new).
The devDependency gulp-clean-css was updated from
3.10.0to4.0.0.This version is not covered by your current version range.
If you don’t accept this pull request, your project will work just like it did before. However, you might be missing out on a bunch of new features, fixes and/or performance improvements from the dependency update.
Release Notes for 4.0.0
Commits
The new version differs by 2 commits.
bc3e508remove unnecessary fileed9b87bdeprecate support for node v4,v5. Address security vulnerabilitiesSee the full diff
FAQ and help
There is a collection of [frequently asked questions](https://greenkeeper.io/faq.html). If those don’t help, you can always [ask the humans behind Greenkeeper](https://github.com/greenkeeperio/greenkeeper/issues/new).Your Greenkeeper bot :palm_tree: