diff --git a/fastimage.gemspec b/fastimage.gemspec
index 71109cc..bfd1f35 100644
--- a/fastimage.gemspec
+++ b/fastimage.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |s|
   s.summary = %q{FastImage - Image info fast}
   s.add_runtime_dependency 'addressable', '~> 2.3.5'
   s.add_development_dependency 'fakeweb', '~> 1.3'
-  s.add_development_dependency('rake', '< 10.5.0')
+  s.add_development_dependency('rake')
   s.add_development_dependency('rdoc')
   s.add_development_dependency('test-unit')