diff --git a/Gemfile.lock b/Gemfile.lock
index 16b7293aa..338636dc6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -408,7 +408,7 @@ GEM
       rspec-mocks (~> 3.8.0)
       rspec-support (~> 3.8.0)
     rspec-support (3.8.0)
-    rubocop (0.63.1)
+    rubocop (0.64.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.5, != 2.5.1.1)
diff --git a/app/models/observer/ticket/ref_object_touch.rb b/app/models/observer/ticket/ref_object_touch.rb
index 85d529c57..ec415216f 100644
--- a/app/models/observer/ticket/ref_object_touch.rb
+++ b/app/models/observer/ticket/ref_object_touch.rb
@@ -29,7 +29,7 @@ class Observer::Ticket::RefObjectTouch < ActiveRecord::Observer
     end
 
     # touch new/current customer
-    record.customer&.touch
+    record.customer&.touch # rubocop:disable Rails/SkipsModelValidations
 
     # touch old organization if changed
     organization_id_changed = record.saved_changes['organization_id']
diff --git a/db/migrate/20180502015927_issue_1219_zhtw_locale_typo.rb b/db/migrate/20180502015927_issue_1219_zhtw_locale_typo.rb
index 08d19beca..04ca99524 100644
--- a/db/migrate/20180502015927_issue_1219_zhtw_locale_typo.rb
+++ b/db/migrate/20180502015927_issue_1219_zhtw_locale_typo.rb
@@ -12,7 +12,7 @@ class Issue1219ZhtwLocaleTypo < ActiveRecord::Migration[5.1]
       Locale.find_by(locale: 'zj-tw')&.update(locale: 'zh-tw')
     end
 
-    Translation.where(locale: 'zj-tw')&.update_all(locale: 'zh-tw')
+    Translation.where(locale: 'zj-tw')&.update_all(locale: 'zh-tw') # rubocop:disable Rails/SkipsModelValidations
     User.where('preferences LIKE ?', "%\nlocale: zj-tw\n%").each do |u|
       u.preferences[:locale] = 'zh-tw'
       u.save
@@ -29,7 +29,7 @@ class Issue1219ZhtwLocaleTypo < ActiveRecord::Migration[5.1]
       Locale.find_by(locale: 'zh-tw')&.update(locale: 'zj-tw')
     end
 
-    Translation.where(locale: 'zh-tw')&.update_all(locale: 'zj-tw')
+    Translation.where(locale: 'zh-tw')&.update_all(locale: 'zj-tw') # rubocop:disable Rails/SkipsModelValidations
     User.where('preferences LIKE ?', "%\nlocale: zh-tw\n%").each do |u|
       u.preferences[:locale] = 'zj-tw'
       u.save