这是日志
enter code here
git push heroku-dev masterCounting objects: 29, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (21/21), done.
Writing objects: 100% (21/21), 2.16 KiB, done.
Total 21 (delta 17), reused 0 (delta 0)
-----> Heroku receiving push
-----> Ruby/Rails app detected
-----> Configure Rails to log to stdout
Installing rails_log_stdout... done
-----> Installing gem rails 2.3.8 from http://rubygems.org
Successfully installed activesupport-2.3.8
Successfully installed activerecord-2.3.8
Successfully installed rack-1.1.2
Successfully installed actionpack-2.3.8
Successfully installed actionmailer-2.3.8
Successfully installed activeresource-2.3.8
Successfully installed rails-2.3.8
7 gems installed
-----> Installing gem ruport 1.6.3 from http://rubygems.org
ERROR: Error installing ruport:
hoe requires RubyGems version >= 1.4. Try 'gem update --system' to update RubyGems itself.
! Heroku push rejected, failed to install gem
To git@heroku.com:dev-presaletoday.git
! [remote rejected] master -> master (pre-receive hook declined)
任何想法？