Gem update ruby

Changing the version number in your Gemfile for just that one gem. Running bundle install. One may also ask, how do you upgrade gems in rails? This installs the newest version of the gem if the Gemfile entry doesn't require a specific version and updates the Gemfile. You can run bundle update to update all gems at once. This will potentially install multiple gem versions simultaneously, so you can create and develop an app with whichever version you're comfortable with.

Go to the root of your application, and look for Gemfile. Update RubyGems. Install gems. Update installed gems. How do I update my bundler gem? The first step in upgrading to Bundler 2 is installing the Bundler 2 gem. To install it the usual way, run gem install bundler and RubyGems will install the latest version of Bundler. What is bundle install? Bundler: The best way to manage a Ruby application's gems. Bundler provides a consistent environment for Ruby projects by tracking and installing the exact gems and versions that are needed.

The CA certificate bundle includes certificates from every company that provides SSL certificates for servers, like Verisign, Globalsign, and many others. Your computer will use its built-in CA bundle of many root certificates to know whether to trust an SSL certificate provided by a particular website, such as RubyGems.

Occasionally, new companies are added to the CA bundle, or existing companies have their certificates expire and need to distribute new ones. Ruby and therefore RubyGems and Bundler does not have a regularly updated CA bundle to use when contacting websites.

On older OSes, this CA bundle can be really old—as in a decade old. Further complicating things, an otherwise unrelated change months ago lead to a new SSL certificate being issued for RubyGems.

Start by running the automatic SSL check , and follow the instructions. You might need to update Bundler , update RubyGems , manually update RubyGems certificates , or perhaps even install new OS certificates. This error means that your machine was unable to establish a secure connection to RubyGems.

OpenSSL 1. To understand why that version is required, keep reading. Over time, researchers discovered flaws in SSL, and network developers responded with changes and fixes. After SSL 3. Over time, TLS was also revised. TLS version 1. Last year, Fastly announced it will deprecate TLS versions 1. As a result, RubyGems.

This means RubyGems. To troubleshoot protocol connection errors, start by running the automatic SSL check , and follow the instructions. You might need to update Bundler , update RubyGems , or even reinstall Ruby you can find reinstallation instructions by version manager or package manager.

Update As Tim's answer says, as of Bundler 1. The way to do this is to run the following command: bundle update --source gem-name. You simply need to specify the gem name on the command line: bundle update gem-name. Top 3 video Explaining ruby - Update just one gem with bundler. To illustrate, the rails 3. Let's assume that the rails 3. However, we didn't specifically ask to update rack-cache , which may not be compatible with rack 1. And while an update from rack 1.

In order to avoid this problem, when you update a gem, bundler will not update a dependency of that gem if another gem still depends on it. In this example, since rack-cache still depends on rack , bundler will not update the rack gem. This ensures that updating rails doesn't inadvertently break rack-cache. Since rails 3. Since you originally declared a dependency on rails 3.