diff --git a/puppet-syntax.gemspec b/puppet-syntax.gemspec
index fa7c9be..f62f937 100644
--- a/puppet-syntax.gemspec
+++ b/puppet-syntax.gemspec
@@ -24,5 +24,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'pry', '~> 0.14.2'
   spec.add_development_dependency 'rb-readline', '~> 0.5.5'
 
-  spec.add_development_dependency 'voxpupuli-rubocop', '~> 2.5.0'
+  spec.add_development_dependency 'voxpupuli-rubocop', '~> 2.6.0'
 end