# Downgrading rubygems

**URL:** <https://www.ruby-forum.com/t/downgrading-rubygems/144098>\
**Category:** Rails\
**Created:** [July 25, 2008, 10:37am UTC](https://www.ruby-forum.com/t/downgrading-rubygems/144098 "2008-07-25T10:37:23Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![swamy\_g](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/8baadc/32.png) [@swamy\_g](https://www.ruby-forum.com/u/swamy_g)\
**Post date:** [July 25, 2008, 10:37am UTC](https://www.ruby-forum.com/t/downgrading-rubygems/144098/1 "2008-07-25T10:37:23Z")

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Hi,  
When I did a gem -v, it showed me the version as 1.0.1. I want to  
downgrade this to version 0.9.0. How can I do this?  
Thanks a lot

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**Author:** ![swamy\_g](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/8baadc/32.png) [@swamy\_g](https://www.ruby-forum.com/u/swamy_g)\
**Post date:** [July 25, 2008, 2:30pm UTC](https://www.ruby-forum.com/t/downgrading-rubygems/144098/2 "2008-07-25T14:30:50Z")

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If don’t mind me asking, is there a specific reason to downgrade  
rubygems?  
Not sure if there is failproof way of downgrading rubygems. If downgrade  
rubygems, you current gems might stop working.

You can manually overwrite the current gem installation tho’

Download rubygems 0.9.0  
[http://rubyforge.org/frs/download.php/11289/rubygems-0.9.0.tgz](http://rubyforge.org/frs/download.php/11289/rubygems-0.9.0.tgz)

tar -xvf rubygems-0.9.0.tgz  
cd rubygems  
sudo ruby setup.rb

Leopard:rubygems-0.9.0 gg$ gem env  
Rubygems Environment:

- VERSION: 0.9.0 (0.9.0)
- INSTALLATION DIRECTORY: /Library/Ruby/Gems
- GEM PATH:
  - /Library/Ruby/Gems

- REMOTE SOURCES:
  - [http://gems.rubyforge.org](http://gems.rubyforge.org)

Cheers,  
Ganesh G.  
SageWork([http://sagework.com](http://sagework.com)) Simplify IT

On Fri, Jul 25, 2008 at 2:37 PM, Swamy G.  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

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<div class="post-metadata">

**Author:** ![swamy\_g](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/8baadc/32.png) [@swamy\_g](https://www.ruby-forum.com/u/swamy_g)\
**Post date:** [September 9, 2008, 7:52pm UTC](https://www.ruby-forum.com/t/downgrading-rubygems/144098/3 "2008-09-09T19:52:59Z")

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Did this technique work? After trying to move from 1.0.1 to 0.9.4 the  
gem list command gave weird results. I would install gems using the  
new 0.9.4 version (so I think) but ‘gem list’ does not show the newly  
installed gems.

On Jul 27, 11:16 pm, Swamy G. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

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**Author:** ![swamy\_g](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/8baadc/32.png) [@swamy\_g](https://www.ruby-forum.com/u/swamy_g)\
**Post date:** [July 28, 2008, 8:16am UTC](https://www.ruby-forum.com/t/downgrading-rubygems/144098/4 "2008-07-28T08:16:32Z")

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The code that i’m working on uses the ‘require\_gem’ method to load gems.  
But since this method has been deprecated since 0.9.1 , the code throws  
an error wherever ‘require\_gem’ is used. I dont want to change the code,  
so thats why I wanted to downgrade rubygem.  
Thanks for your reply.