Rakefile in dusen-0.4.4 vs Rakefile in dusen-0.4.5

@@ -5,12 +5,17 @@
 task :default => 'all:spec'
 
 namespace :travis_ci do
 
   desc 'Things to do before Travis CI begins'
-  task :prepare do
+  task :prepare => :slimgems do
     Rake::Task['travis_ci:create_database'].invoke &&
     Rake::Task['travis_ci:create_database_yml'].invoke
+  end
+
+  desc 'Install slimgems'
+  task :slimgems do
+    system('gem install slimgems')
   end
 
   desc 'Creates a test database'
   task :create_database do
     system("mysql -e 'create database dusen_test;'")