# Could not find RubyGem activesupport after RadRail upgrade

**URL:** <https://discuss.rubyonrails.org/t/could-not-find-rubygem-activesupport-after-radrail-upgrade/21378>\
**Category:** rubyonrails-talk\
**Created:** [December 6, 2007, 9:02pm UTC](https://discuss.rubyonrails.org/t/could-not-find-rubygem-activesupport-after-radrail-upgrade/21378 "2007-12-06T21:02:00Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Matt\_White1](https://avatars.discourse-cdn.com/v4/letter/m/a87d85/32.png) [@Matt\_White1](https://discuss.rubyonrails.org/u/Matt_White1)\
**Post date:** [December 6, 2007, 9:02pm UTC](https://discuss.rubyonrails.org/t/could-not-find-rubygem-activesupport-after-radrail-upgrade/21378/1 "2007-12-06T21:02:00Z")

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From a shell prompt, try: gem install activesupport If you are still getting errors, you may be missing other dependencies. Try reinstalling rails with: gem install rails --include- dependencies