diff --git a/VERSION b/VERSION
index 0c62199..0d91a54 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.2.1
+0.3.0
diff --git a/assets/stylesheets/rate.css b/assets/stylesheets/rate.css
new file mode 100644
index 0000000..163996f
--- /dev/null
+++ b/assets/stylesheets/rate.css
@@ -0,0 +1,3 @@
+#admin-menu a.rate-caches {
+  background-image: url('../images/database_refresh.png');
+}
diff --git a/config/routes.rb b/config/routes.rb
index ba1ed0b..b3ab9d6 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,2 +1,11 @@
-resources :rates
-match 'rate_caches', :to => 'rate_caches#update', :method => :put
+if Gem::Version.new("3.0") > Gem::Version.new(Rails.version) then
+  ActionController::Routing::Routes.draw do |map|
+    map.resources :rates
+    map.connect "rate_caches", :conditions => { :method => :put }, :controller => "rate_caches", :action => "update"
+  end
+else
+  RedmineApp::Application.routes.draw do
+    resources :rates
+    match :rate_caches, :to => "rate_caches#update", :method => :put
+  end
+end
diff --git a/init.rb b/init.rb
index 591be54..ce13849 100644
--- a/init.rb
+++ b/init.rb
@@ -2,18 +2,27 @@ require 'redmine'
 
 Rails.logger.info 'Starting Rate plugin for Redmine'
 
-ActionDispatch::Callbacks.to_prepare do
-  gem 'lockfile'
+require_dependency 'application_controller'
+require_dependency 'time_entry'
+require_dependency 'users_helper'
 
-  require_dependency 'application_controller'
-  ApplicationController.send(:include, RateHelper)
-  ApplicationController.send(:helper, :rate)
-
-  require_dependency 'time_entry'
-  TimeEntry.send(:include, RateTimeEntryPatch)
-
-  require_dependency 'users_helper'
-  UsersHelper.send(:include, RateUsersHelperPatch) unless UsersHelper.included_modules.include?(RateUsersHelperPatch)
+if Gem::Version.new("3.0") > Gem::Version.new(Rails.version) then
+  require 'dispatcher'
+  Distpatcher.to_prepare :redmine_rate do
+    gem 'lockfile'
+    ApplicationController.send(:include, RateHelper)
+    ApplicationController.send(:helper, :rate)
+    TimeEntry.send(:include, RateTimeEntryPatch)
+    UsersHelper.send(:include, RateUsersHelperPatch) unless UsersHelper.included_modules.include?(RateUsersHelperPatch)
+  end
+else
+  ActionDispatch::Callbacks.to_prepare do
+    gem 'lockfile'
+    ApplicationController.send(:include, RateHelper)
+    ApplicationController.send(:helper, :rate)
+    TimeEntry.send(:include, RateTimeEntryPatch)
+    UsersHelper.send(:include, RateUsersHelperPatch) unless UsersHelper.included_modules.include?(RateUsersHelperPatch)
+  end
 end
 
 # Hooks
@@ -28,7 +37,7 @@ Redmine::Plugin.register :redmine_rate do
   description "The Rate plugin provides an API that can be used to find the rate for a Member of a Project at a specific date.  It also stores historical rate data so calculations will remain correct in the future."
   version '0.3.0'
 
-  requires_redmine :version_or_higher => '2.0.0'
+  requires_redmine :version_or_higher => '1.0.0'
 
   # These settings are set automatically when caching
   settings(:default => {
diff --git a/lib/redmine_rate/hooks/view_layouts_base_html_head_hook.rb b/lib/redmine_rate/hooks/view_layouts_base_html_head_hook.rb
index 8361aec..705f58b 100644
--- a/lib/redmine_rate/hooks/view_layouts_base_html_head_hook.rb
+++ b/lib/redmine_rate/hooks/view_layouts_base_html_head_hook.rb
@@ -2,7 +2,7 @@ module RedmineRate
   module Hooks
     class ViewLayoutsBaseHtmlHeadHook < Redmine::Hook::ViewListener
       def view_layouts_base_html_head(context={})
-        return content_tag(:style, "#admin-menu a.rate-caches { background-image: url('#{image_path('database_refresh.png', :plugin => 'redmine_rate')}'); }", :type => 'text/css')
+        stylesheet_link_tag "rate.css", :plugin => "redmine_rate"
       end
     end
   end