diff --git a/share/ruby-build/rbx-3.40 b/share/ruby-build/rbx-3.40
new file mode 100644
index 00000000..d63ffa71
--- /dev/null
+++ b/share/ruby-build/rbx-3.40
@@ -0,0 +1,3 @@
+require_llvm 3.5
+install_package "openssl-1.0.2h" "https://www.openssl.org/source/openssl-1.0.2h.tar.gz#1d4007e53aad94a5b2002fe045ee7bb0b3d98f1a47f8b2bc851dcd1c74332919" mac_openssl --if has_broken_mac_openssl
+install_package "rubinius-3.40" "https://rubinius-releases-rubinius-com.s3.amazonaws.com/rubinius-3.40.tar.bz2#09f6590515bf6180427544fb217a34330a689784ea05b03f0a98db2a197bb20f" rbx