diff --git a/share/ruby-build/jruby-1.7.0-dev b/share/ruby-build/jruby-1.7.0-dev
deleted file mode 100644
index f2624fb6..00000000
--- a/share/ruby-build/jruby-1.7.0-dev
+++ /dev/null
@@ -1 +0,0 @@
-install_package "jruby-1.7.0-dev" "http://ci.jruby.org/snapshots/1.7.x/jruby-bin-1.7.0.dev.tar.gz" jruby
diff --git a/share/ruby-build/jruby-1.7.0.preview1 b/share/ruby-build/jruby-1.7.0.preview1
new file mode 100644
index 00000000..403b76b1
--- /dev/null
+++ b/share/ruby-build/jruby-1.7.0.preview1
@@ -0,0 +1 @@
+install_package "jruby-1.7.0.preview1" "http://ci.jruby.org/snapshots/1.7.x/jruby-bin-1.7.0.preview1.tar.gz" jruby