makandra is responsible for maintaining about 75 Ruby projects. These projects use a large number of different versions for Ruby...
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Install the latest bundler version: gem install bundler Fetching bundler-2.3.5.gem Successfully installed bundler-2.3.5 1 gem installed Update the bundler version in Gemfile.lock: bundle update --bundler Confirm it worked:
...specified under BUNDLED_WITH in the Gemfile.lock. This had two annoying consequences: If the bundler version on your system was lower than in the Gemfile.lock, you got an error message...
...and had to manually install the correct version. If the bundler version on your system was higher than in the Gemfile.lock, bundler silently updated the version in the Gemfile.lock to...