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Asked: 2026-06-18T15:08:24+00:00

I am using ruby 1.9.3 and rails version 3.0.0. and i have bundler version

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I am using ruby 1.9.3 and rails version 3.0.0. and i have bundler version 1.2.3. but while running bundle install its showing “This Gemfile requires a different version of Bundler”.. I am trying to uninstall this 1.2.3 but its showing “INFO: gem “bundler” is not installed”. Please help me to solve this problem..

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  1. Editorial Team

    Try the following.

           type  $ gem list | grep bundler  # it will list all the bundler version

       then $ rvmsudo gem uninstall bundler # it will list all the version to uninstall. we have to choose all versions.

       thats it. Then we can install our required version as follows.


        rvmsudo gem install bundler -v=1.0.21
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