RubyGems 4.0.13 and Bundler 4.0.13 Released with New Supply-Chain Security Protections
June 3, 2026
RubyGems 4.0.13 and Bundler 4.0.13 Released with New Supply-Chain Security Protections
June 3, 2026
The RubyGems team has released RubyGems 4.0.13 and Bundler 4.0.13, bringing a combination of security improvements, bug fixes, and quality-of-life enhancements for Ruby developers.
While this is a relatively small release, it includes a notable new security feature designed to help protect developers from supply-chain attacks.
Cooldown Protection for Newly Published Gems
The headline feature of Bundler 4.0.13 is the introduction of a cooldown mechanism for newly published gems.
The new feature delays the installation of freshly published gem versions, providing an additional layer of defense against malicious package releases and compromised maintainer accounts. Similar protections have been discussed and implemented across several package ecosystems as software supply-chain attacks continue to grow in frequency and sophistication.
For teams that prioritize stability and security, this feature offers a practical safeguard against accidentally installing a malicious version immediately after publication.
👉 Read the full article.
Originally published at http://rubystacknews.com on June 4, 2026.
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