diff --git a/share/ruby-build/3.4-dev b/share/ruby-build/3.4-dev
index a005e0f631..cd026a00ca 100644
--- a/share/ruby-build/3.4-dev
+++ b/share/ruby-build/3.4-dev
@@ -1,2 +1,2 @@
 install_package "openssl-3.0.15" "https://github.com/openssl/openssl/releases/download/openssl-3.0.15/openssl-3.0.15.tar.gz#23c666d0edf20f14249b3d8f0368acaee9ab585b09e1de82107c66e1f3ec9533" 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-3.4-dev" "https://github.com/ruby/ruby.git" "ruby_3_4" autoconf enable_shared standard_install_with_bundled_gems
diff --git a/share/ruby-build/3.5-dev b/share/ruby-build/3.5-dev
new file mode 100644
index 0000000000..a005e0f631
--- /dev/null
+++ b/share/ruby-build/3.5-dev
@@ -0,0 +1,2 @@
+install_package "openssl-3.0.15" "https://github.com/openssl/openssl/releases/download/openssl-3.0.15/openssl-3.0.15.tar.gz#23c666d0edf20f14249b3d8f0368acaee9ab585b09e1de82107c66e1f3ec9533" 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