diff --git a/.rubocop.yml b/.rubocop.yml
index 47498329c..26ae7b5da 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -337,6 +337,9 @@ Naming/BlockForwarding:
     - "app/controllers/management/base_controller.rb"
     - "app/controllers/subscriptions_controller.rb"
 
+Naming/RescuedExceptionsVariableName:
+  Enabled: true
+
 Naming/VariableName:
   Enabled: true
 
@@ -784,6 +787,12 @@ Style/RedundantInterpolation:
 Style/RedundantParentheses:
   Enabled: true
 
+Style/RedundantRegexpArgument:
+  Enabled: true
+
+Style/RedundantRegexpCharacterClass:
+  Enabled: true
+
 Style/RedundantReturn:
   Enabled: true
 
diff --git a/Gemfile b/Gemfile
index ab2c9813e..b4a5f3158 100644
--- a/Gemfile
+++ b/Gemfile
@@ -98,7 +98,7 @@ group :development do
   gem "pronto-eslint", "~> 0.11.1", require: false
   gem "pronto-rubocop", "~> 0.11.5", require: false
   gem "pronto-stylelint", "~> 0.10.3", require: false
-  gem "rubocop", "~> 1.64.1", require: false
+  gem "rubocop", "~> 1.66.1", require: false
   gem "rubocop-capybara", "~> 2.21.0", require: false
   gem "rubocop-factory_bot", "~> 2.26.1", require: false
   gem "rubocop-performance", "~> 1.22.1", require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 092eaacd2..579836807 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -538,15 +538,14 @@ GEM
       rspec-mocks (~> 3.13)
       rspec-support (~> 3.13)
     rspec-support (3.13.1)
-    rubocop (1.64.1)
+    rubocop (1.66.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
+      regexp_parser (>= 2.4, < 3.0)
+      rubocop-ast (>= 1.32.2, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
     rubocop-ast (1.32.3)
@@ -769,7 +768,7 @@ DEPENDENCIES
   rinku (~> 2.0.6)
   ros-apartment (~> 2.11.0)
   rspec-rails (~> 7.0.1)
-  rubocop (~> 1.64.1)
+  rubocop (~> 1.66.1)
   rubocop-capybara (~> 2.21.0)
   rubocop-factory_bot (~> 2.26.1)
   rubocop-performance (~> 1.22.1)
diff --git a/app/models/machine_learning.rb b/app/models/machine_learning.rb
index f7bb3503e..5541d3327 100644
--- a/app/models/machine_learning.rb
+++ b/app/models/machine_learning.rb
@@ -62,9 +62,9 @@ class MachineLearning
 
       job.update!(finished_at: Time.current)
       Mailer.machine_learning_success(user).deliver_later
-    rescue Exception => error
-      handle_error(error)
-      raise error
+    rescue Exception => e
+      handle_error(e)
+      raise e
     end
   end
   handle_asynchronously :run, queue: "machine_learning"
diff --git a/app/models/signature_sheet.rb b/app/models/signature_sheet.rb
index 713d6ef71..d123967be 100644
--- a/app/models/signature_sheet.rb
+++ b/app/models/signature_sheet.rb
@@ -39,7 +39,7 @@ class SignatureSheet < ApplicationRecord
   end
 
   def parsed_required_fields_to_verify_groups
-    required_fields_to_verify.split(/[;]/).map { |d| d.gsub(/\s+/, "") }.map { |group| group.split(/[,]/) }
+    required_fields_to_verify.split(";").map { |d| d.gsub(/\s+/, "") }.map { |group| group.split(",") }
   end
 
   def signable_found