diff --git a/guard-rubocop.gemspec b/guard-rubocop.gemspec
index 279520f..49b26cb 100644
--- a/guard-rubocop.gemspec
+++ b/guard-rubocop.gemspec
@@ -20,7 +20,7 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ['lib']
 
-  spec.add_runtime_dependency 'guard',   '~> 1.8'
+  spec.add_runtime_dependency 'guard',   '~> 2.0'
   spec.add_runtime_dependency 'rubocop', '~> 0.10'
 
   spec.add_development_dependency 'bundler',     '~> 1.3'