diff --git a/.rubocop.yml b/.rubocop.yml
index d107eb5..50e290a 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -10,12 +10,9 @@ Metrics/BlockLength:
   - "Gemfile"
   - "spec/**/*"
 
-Metrics/LineLength:
+Layout/LineLength:
   Max: 120
 
-Style/BracesAroundHashParameters:
-  EnforcedStyle: context_dependent
-
 Style/StringLiterals:
   EnforcedStyle: double_quotes
 
@@ -47,3 +44,11 @@ Style/TrailingCommaInHashLiteral:
   Enabled: true
   EnforcedStyleForMultiline: consistent_comma
 
+Style/HashEachMethods:
+  Enabled: true
+
+Style/HashTransformKeys:
+  Enabled: true
+
+Style/HashTransformValues:
+  Enabled: true
diff --git a/Gemfile b/Gemfile
index 33dff31..d9f2b6e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,6 +11,6 @@ group :development, :test do
   gem "pry"
   gem "pry-byebug", platform: :mri
 
-  gem "rubocop"
+  gem "rubocop", "~> 0.80.0"
   gem "rubocop-rspec"
 end
diff --git a/spec/yabeda/dsl/class_methods_spec.rb b/spec/yabeda/dsl/class_methods_spec.rb
index 678a2d1..791ada8 100644
--- a/spec/yabeda/dsl/class_methods_spec.rb
+++ b/spec/yabeda/dsl/class_methods_spec.rb
@@ -3,14 +3,14 @@
 RSpec.describe Yabeda::DSL::ClassMethods do
   after do
     if Yabeda.instance_variable_defined?(:@groups)
-      Yabeda.instance_variable_get(:@groups).keys.each do |group|
+      Yabeda.instance_variable_get(:@groups).each_key do |group|
         Yabeda.singleton_class.send(:remove_method, group)
       end
       Yabeda.remove_instance_variable(:@groups)
     end
 
     if Yabeda.instance_variable_defined?(:@metrics)
-      Yabeda.instance_variable_get(:@metrics).keys.each do |metric|
+      Yabeda.instance_variable_get(:@metrics).each_key do |metric|
         Yabeda.singleton_class.send(:remove_method, metric)
       end
       Yabeda.remove_instance_variable(:@metrics)