diff --git a/bing-ads-reporting.gemspec b/bing-ads-reporting.gemspec
index bc6a175..b7cd365 100644
--- a/bing-ads-reporting.gemspec
+++ b/bing-ads-reporting.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |gem|
 
   gem.add_development_dependency 'reek', '~> 5.4.0'
   gem.add_development_dependency 'rspec', '~> 3.4.0'
-  gem.add_development_dependency 'rubocop', '~> 0.70.0'
+  gem.add_development_dependency 'rubocop', '~> 0.78.0'
   gem.add_development_dependency 'rubocop-performance', '~> 1.3.0'
   gem.add_development_dependency 'rubocop-rspec', '~> 1.33.0'