diff --git a/share/ruby-build/jruby-1.7.12 b/share/ruby-build/jruby-1.7.12
new file mode 100644
index 00000000..f89d9be6
--- /dev/null
+++ b/share/ruby-build/jruby-1.7.12
@@ -0,0 +1 @@
+install_package "jruby-1.7.12" "http://jruby.org.s3.amazonaws.com/downloads/1.7.12/jruby-bin-1.7.12.tar.gz#2073aa6dfc7c701ef7c3d3143d181582" jruby
\ No newline at end of file