diff --git a/README.md b/README.md
index c118e35..f47777e 100644
--- a/README.md
+++ b/README.md
@@ -37,9 +37,9 @@ The action works for all [GitHub-hosted runners](https://help.github.com/en/acti
 
 Rubinius is only available on `ubuntu-latest`.
 
-The prebuilt releases are generated by [ruby-builder](https://github.com/eregon/ruby-builder)
+The prebuilt releases are generated by [ruby-builder](https://github.com/ruby/ruby-builder)
 and on Windows by [RubyInstaller2](https://github.com/oneclick/rubyinstaller2).
-`ruby-head` is generated by [ruby-dev-builder](https://github.com/eregon/ruby-dev-builder) and `truffleruby-head` is generated by [truffleruby-dev-builder](https://github.com/eregon/truffleruby-dev-builder).
+`ruby-head` is generated by [ruby-dev-builder](https://github.com/ruby/ruby-dev-builder) and `truffleruby-head` is generated by [truffleruby-dev-builder](https://github.com/ruby/truffleruby-dev-builder).
 The full list of available Ruby versions can be seen in [ruby-builder-versions.js](ruby-builder-versions.js)
 for Ubuntu and macOS and in [windows-versions.js](windows-versions.js) for Windows.
 
diff --git a/dist/index.js b/dist/index.js
index 9c2ae7e..9dc5c75 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -5189,7 +5189,7 @@ async function getDownloadURL(platform, ruby) {
 
 async function getLatestHeadBuildURL(platform, ruby) {
   const engine = ruby.split('-')[0]
-  const repository = `eregon/${engine}-dev-builder`
+  const repository = `ruby/${engine}-dev-builder`
   const metadataURL = `https://raw.githubusercontent.com/${repository}/metadata/latest_build.tag`
   const releasesURL = `https://github.com/${repository}/releases/download`
 
diff --git a/ruby-builder.js b/ruby-builder.js
index 87b4861..0f981eb 100644
--- a/ruby-builder.js
+++ b/ruby-builder.js
@@ -7,7 +7,7 @@ const rubyBuilderVersions = require('./ruby-builder-versions')
 const axios = require('axios')
 
 const builderReleaseTag = 'builds-no-warn'
-const releasesURL = 'https://github.com/eregon/ruby-builder/releases'
+const releasesURL = 'https://github.com/ruby/ruby-builder/releases'
 
 export function getAvailableVersions(platform, engine) {
   return rubyBuilderVersions.getVersions(platform)[engine]
@@ -47,7 +47,7 @@ async function getDownloadURL(platform, ruby) {
 
 async function getLatestHeadBuildURL(platform, ruby) {
   const engine = ruby.split('-')[0]
-  const repository = `eregon/${engine}-dev-builder`
+  const repository = `ruby/${engine}-dev-builder`
   const metadataURL = `https://raw.githubusercontent.com/${repository}/metadata/latest_build.tag`
   const releasesURL = `https://github.com/${repository}/releases/download`