diff --git a/rootfs/builder/install-buildpacks b/rootfs/builder/install-buildpacks
index 1106e23..5ef4dfd 100755
--- a/rootfs/builder/install-buildpacks
+++ b/rootfs/builder/install-buildpacks
@@ -38,5 +38,5 @@ download_buildpack https://github.com/heroku/heroku-buildpack-nodejs.git
 download_buildpack https://github.com/heroku/heroku-buildpack-php.git            v121     08-php
 download_buildpack https://github.com/heroku/heroku-buildpack-play.git           v26      09-play
 download_buildpack https://github.com/heroku/heroku-buildpack-python.git         v109     10-python
-download_buildpack https://github.com/heroku/heroku-buildpack-ruby.git           v164     11-ruby
+download_buildpack https://github.com/heroku/heroku-buildpack-ruby.git           v167     11-ruby
 download_buildpack https://github.com/heroku/heroku-buildpack-scala.git          v76      12-scala