diff --git a/share/ruby-build/4.0-dev b/share/ruby-build/4.0-dev
index c0ce4856ea..a07bb9797f 100644
--- a/share/ruby-build/4.0-dev
+++ b/share/ruby-build/4.0-dev
@@ -1,2 +1,2 @@
 install_package "openssl-3.0.18" "https://github.com/openssl/openssl/releases/download/openssl-3.0.18/openssl-3.0.18.tar.gz#d80c34f5cf902dccf1f1b5df5ebb86d0392e37049e5d73df1b3abae72e4ffe8b" openssl --if needs_openssl:1.0.2-3.x.x
-install_git "ruby-master" "https://github.com/ruby/ruby.git" "master" autoconf enable_shared standard_install_with_bundled_gems
+install_git "ruby-4.0-dev" "https://github.com/ruby/ruby.git" "ruby_4_0" autoconf enable_shared standard_install_with_bundled_gems
diff --git a/share/ruby-build/4.0.0 b/share/ruby-build/4.0.0
new file mode 100644
index 0000000000..842df52d12
--- /dev/null
+++ b/share/ruby-build/4.0.0
@@ -0,0 +1,2 @@
+install_package "openssl-3.0.18" "https://github.com/openssl/openssl/releases/download/openssl-3.0.18/openssl-3.0.18.tar.gz#d80c34f5cf902dccf1f1b5df5ebb86d0392e37049e5d73df1b3abae72e4ffe8b" openssl --if needs_openssl:1.0.2-3.x.x
+install_package "ruby-4.0.0" "https://cache.ruby-lang.org/pub/ruby/4.0/ruby-4.0.0.tar.gz#2e8389c8c072cb658c93a1372732d9eac84082c88b065750db1e52a5ac630271" enable_shared standard