1 files changed, 2 insertions, 1 deletions

diff --git a/Rakefile b/Rakefile
index 66e4db38a6..3474cb6d9e 100644
--- a/Rakefile
+++ b/Rakefile
@@ -35,6 +35,7 @@ else
       Spec::Rake::SpecTask.new(adapter) do |t|
         t.spec_opts = ['--options', "\"#{File.dirname(__FILE__)}/spec/spec.opts\""]
         t.libs << "#{File.dirname(__FILE__)}/vendor/rails/activerecord/lib"
+        t.libs << "#{File.dirname(__FILE__)}/vendor/rails/activesupport/lib"
         t.libs << "#{File.dirname(__FILE__)}/spec"
         # t.warning = true
         t.spec_files = FileList['spec/**/*_spec.rb']
@@ -89,4 +90,4 @@ namespace :gemspec do
   task :validate do
     gemspec.validate
   end
-end
\ No newline at end of file
+end