diff --git a/paper_trail.gemspec b/paper_trail.gemspec
index 535ea79d..52250b9b 100644
--- a/paper_trail.gemspec
+++ b/paper_trail.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'activerecord', '~> 3.0'
 
   s.add_development_dependency 'rake'
-  s.add_development_dependency 'shoulda',      '~> 3.0.1'
+  s.add_development_dependency 'shoulda',      '~> 3.3'
   s.add_development_dependency 'sqlite3',      '~> 1.2'
   s.add_development_dependency 'capybara',     '~> 1.1.2'
 end