# Chef nit working after ruby upgrade

**URL:** <https://discourse.chef.io/t/chef-nit-working-after-ruby-upgrade/4678>\
**Category:** Chef Infra (archive)\
**Created:** [November 15, 2013, 1:04am UTC](https://discourse.chef.io/t/chef-nit-working-after-ruby-upgrade/4678 "2013-11-15T01:04:21Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![David\_Montgomery](https://avatars.discourse-cdn.com/v4/letter/d/51bf81/32.png) [@David\_Montgomery](https://discourse.chef.io/u/David_Montgomery)\
**Post date:** [November 15, 2013, 1:04am UTC](https://discourse.chef.io/t/chef-nit-working-after-ruby-upgrade/4678/1 "2013-11-15T01:04:21Z")

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just upgraded ruby. Now chef is not working

How do I resolve?

ubuntu@ubuntu-VirtualBox:~$ knife cookbook upload environment -E development  
/usr/local/lib/ruby/2.0.0/  
rubygems/dependency.rb:296:in `to_specs': Could not find 'chef' (>= 0) among 8 total gem(s) (Gem::LoadError) from /usr/local/lib/ruby/2.0.0/rubygems/dependency.rb:307:in`to\_spec’  
from /usr/local/lib/ruby/2.0.0/rubygems/core\_ext/kernel\_gem.rb:47:in  
`gem' from /usr/local/bin/knife:22:in`’