diff --git a/Gemfile.lock b/Gemfile.lock
index 06e3e60..e4e2ba1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,8 +78,8 @@ GEM
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.8.0)
       parser (>= 3.0.1.1)
-    rubocop-rake (0.5.1)
-      rubocop
+    rubocop-rake (0.6.0)
+      rubocop (~> 1.0)
     ruby-progressbar (1.11.0)
     ruby2_keywords (0.0.4)
     simplecov (0.21.2)
@@ -105,7 +105,7 @@ DEPENDENCIES
   rake (~> 13.0)
   rspec (~> 3.2)
   rubocop (~> 1.18.4)
-  rubocop-rake (~> 0.5.1)
+  rubocop-rake (~> 0.6.0)
   simplecov (~> 0.21.2)
   webmock (~> 3.1)
 
diff --git a/mrkt.gemspec b/mrkt.gemspec
index 9607c00..6b61365 100644
--- a/mrkt.gemspec
+++ b/mrkt.gemspec
@@ -28,7 +28,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rake', '~> 13.0'
   spec.add_development_dependency 'rspec', '~> 3.2'
   spec.add_development_dependency 'rubocop', '~> 1.18.4'
-  spec.add_development_dependency 'rubocop-rake', '~> 0.5.1'
+  spec.add_development_dependency 'rubocop-rake', '~> 0.6.0'
   spec.add_development_dependency 'simplecov', '~> 0.21.2'
   spec.add_development_dependency 'webmock', '~> 3.1'
 end