As a user of Bundler Show archive.org snapshot you have spent significant time looking at this message:

Fetching source index for http://rubygems.org/

UI/UX Design by

We make sure that your target audience has the best possible experience with your digital product. You get:

• Design tailored to your audience
• Proven processes customized to your needs
• An expert team of experienced designers

Read more Show archive.org snapshot

To make Bundler skip this index update and only use installed gems, you can use the --local option:

bundle install --local

Unfortunately this does not work with bundle update.

It is said Show archive.org snapshot that Bundler 1.1 will use a feature of Rubygems.org that allows partial index updates. Hopefully the whole issue will go away with that.