diff --git a/shoulda-matchers.gemspec b/shoulda-matchers.gemspec
index f283f56b..938f6e01 100644
--- a/shoulda-matchers.gemspec
+++ b/shoulda-matchers.gemspec
@@ -25,6 +25,6 @@ Gem::Specification.new do |s|
   s.add_development_dependency('bundler',     '~> 1.1')
   s.add_development_dependency('cucumber',    '~> 1.1.9')
   s.add_development_dependency('rails',       '~> 3.0')
-  s.add_development_dependency('rake',        '~> 0.9.2')
+  s.add_development_dependency('rake',        '>= 0.9.2')
   s.add_development_dependency('rspec-rails', '~> 2.8.1')
 end