diff --git a/share/ruby-build/rbx-2.5.7 b/share/ruby-build/rbx-2.5.7
new file mode 100644
index 00000000..0e4e46e4
--- /dev/null
+++ b/share/ruby-build/rbx-2.5.7
@@ -0,0 +1,2 @@
+require_llvm 3.5
+install_package "rubinius-2.5.7" "http://releases.rubini.us/rubinius-2.5.7.tar.bz2#8ba8e75835e6df38453f6b6f65bdd296abee2df89ce488e6cc914059b6e1b385" rbx