diff --git a/xcop.gemspec b/xcop.gemspec
index 649c51e..f2350bd 100644
--- a/xcop.gemspec
+++ b/xcop.gemspec
@@ -51,7 +51,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'codecov', '0.1.10'
   s.add_development_dependency 'cucumber', '1.3.17'
   s.add_development_dependency 'minitest', '5.5.0'
-  s.add_development_dependency 'rake', '12.0.0'
+  s.add_development_dependency 'rake', '12.3.3'
   s.add_development_dependency 'rdoc', '4.2.0'
   s.add_development_dependency 'rspec-rails', '3.1.0'
   s.add_development_dependency 'rubocop', '0.52.0'