diff --git a/rubies/3.4.0-pshopify-preview1 b/rubies/3.4.0-pshopify-preview1
new file mode 100644
index 0000000..a4c5936
--- /dev/null
+++ b/rubies/3.4.0-pshopify-preview1
@@ -0,0 +1,5 @@
+# https://github.com/Shopify/ruby/tree/v3.4.0-pshopify-preview1 / https://github.com/Shopify/ruby/commit/b3c59370ca20fcde2fde5a63361550c04ca44be3
+# AKA latest master on 2024-04-18
+
+install_package "openssl-3.1.4" "https://www.openssl.org/source/openssl-3.1.4.tar.gz#840af5366ab9b522bde525826be3ef0fb0af81c6a9ebd84caa600fea1731eee3" openssl --if needs_openssl:1.0.2-3.x.x
+install_git "ruby-3.4.0-pshopify-preview1" "https://github.com/Shopify/ruby.git" "v3.4.0-pshopify-preview1" ldflags_dirs autoconf standard_build standard_install_with_bundled_gems verify_openssl