# Updating existing rails project to 2.1 **URL:** \ **Category:** Rails\ **Created:** [June 23, 2008, 4:29pm UTC](https://www.ruby-forum.com/t/updating-existing-rails-project-to-2-1/141206 "2008-06-23T16:29:17Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![macace](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/bc79bd/32.png) [@macace](https://www.ruby-forum.com/u/macace)\ **Post date:** [June 23, 2008, 4:29pm UTC](https://www.ruby-forum.com/t/updating-existing-rails-project-to-2-1/141206/1 "2008-06-23T16:29:17Z")
Hi. I´m in a “jame”… My host just updated rails to 2.1 and now my app don´t work. It´s a 2.0.2 app Is there anyway to update an existing app to a 2.1 app? or any other way to make it run again? Macace -with a broken app! ---
**Author:** ![macace](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/bc79bd/32.png) [@macace](https://www.ruby-forum.com/u/macace)\ **Post date:** [June 26, 2008, 4:55pm UTC](https://www.ruby-forum.com/t/updating-existing-rails-project-to-2-1/141206/2 "2008-06-26T16:55:51Z")
You can freeze Rails, which will pack it into your Rails app and should run then. ---
**Author:** ![macace](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/bc79bd/32.png) [@macace](https://www.ruby-forum.com/u/macace)\ **Post date:** [June 26, 2008, 5:17pm UTC](https://www.ruby-forum.com/t/updating-existing-rails-project-to-2-1/141206/3 "2008-06-26T17:17:32Z")
Most likely it’s a gem or something that’s not compatible - are you using will\_paginate? Here are a couple of blog posts on upgrading from 2 to 2.1: [http://rails.learnhub.com/lesson/page/2433-upgrading-non-trivial-apps-to-rails-21](http://rails.learnhub.com/lesson/page/2433-upgrading-non-trivial-apps-to-rails-21) > **[Gotchas When Upgrading to Rails 2.1](https://thoughtbot.com/blog/gotchas-when-upgrading-to-rails-2-1)** > > We’ve upgraded several Rails 2.0 application to Rails 2.1 now, and we’ve... Good luck! Bill