diff --git a/share/ruby-build/mruby-1.2.0 b/share/ruby-build/mruby-1.2.0
new file mode 100644
index 00000000..17a1c3e2
--- /dev/null
+++ b/share/ruby-build/mruby-1.2.0
@@ -0,0 +1 @@
+install_package "mruby-1.2.0" "https://github.com/mruby/mruby/archive/1.2.0.tar.gz#05ad0135a9c34158ff0cfd4631f4fbaed28cbb8243680d2c97ffdb9c246b1f3d" mruby