Ruby 3.4.9 Released

Posted by nagachika on 11 Mar 2026

Ruby 3.4.9 has been released.

This release includes an update to the zlib gem addressing CVE-2026-27820, along with other bug fixes. Please see the GitHub releases for further details.

We recommend updating your version of the zlib gem. This release has been made for the convenience of those who wish to continue using it as a default gem.

Download

• https://cache.ruby-lang.org/pub/ruby/3.4/ruby-3.4.9.tar.gz

  SIZE: 22456968
  SHA1: 6386200753caf4e336dafceeee165fa73fd234ec
  SHA256: 7bb4d4f5e807cc27251d14d9d6086d182c5b25875191e44ab15b709cd7a7dd9c
  SHA512: ac7147c0e575cf74f669abb991ee8695d4191c919f306f124b3ee85d6b61361e752a4f1afb7bdffb49aee21edace1fcc9bf2b074ada15fa6c1eb611354c1d54b
  

• https://cache.ruby-lang.org/pub/ruby/3.4/ruby-3.4.9.tar.xz

  SIZE: 16682004
  SHA1: 1eb1b0b45b9e9191de9d2f360164e60eedf77012
  SHA256: 4231c54072601a171faed1699f105985e9971c94cd382b78feb4eb44eec2dd1a
  SHA512: 356fb47cc56f2d25198cb95253fc20ff7d9a6fd1fa53bc475e5c440012aebe27562537c399d271357235114ade263fd625029b66cb0f9b526f9c04f169fb9580
  

• https://cache.ruby-lang.org/pub/ruby/3.4/ruby-3.4.9.zip

  SIZE: 27645906
  SHA1: 8c4312fe946c7eaa269e5c7cee90f3b7350235b5
  SHA256: a4dd555fddefcdd4a58d2169a568f5887b125edbbda2815ea826ca1833dc41ec
  SHA512: 1c6cc4d03edb071f79f9ae41d43defa8393b467d30000e89ee872c6fe99bde015421cb1dd3ecfd5f0359c1c095b60833a95cd5f6c4397358f8ed98eace8720e2
  

Release Comment

Many committers, developers, and users who provided bug reports helped us make this release. Thanks for their contributions.