diff --git a/Gemfile b/Gemfile
index 36f03f28..6e787e7c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,5 +5,5 @@ source 'https://rubygems.org'
 gemspec
 
 gem 'coveralls', require: false
-gem 'rubocop', '1.4.2', require: false
+gem 'rubocop', '1.5.2', require: false
 gem 'rubocop-performance', require: false