diff --git a/less-rails-semantic_ui.gemspec b/less-rails-semantic_ui.gemspec
index 84a956b..a414bfe 100644
--- a/less-rails-semantic_ui.gemspec
+++ b/less-rails-semantic_ui.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ['lib']
 
-  spec.add_runtime_dependency     'less-rails', '>= 2.6.0', '< 2.8.0'
+  spec.add_runtime_dependency     'less-rails', '>= 3.0.0', '< 3.1.0'
 
   spec.add_development_dependency 'bundler', '~> 1.7'
   spec.add_development_dependency 'rake', '~> 10.0'