diff --git a/.rubocop.yml b/.rubocop.yml
index 2d61729..f9b898d 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -6,3 +6,7 @@ AllCops:
   ExtraDetails: true
   UseCache: true
   NewCops: enable
+  SuggestExtensions: false
+
+Style/HashSyntax:
+  EnforcedShorthandSyntax: never
diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 014768f..7c916c6 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -1,13 +1,13 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config --exclude-limit 99999999`
-# on 2023-04-19 12:16:33 UTC using RuboCop version 1.28.2.
+# on 2024-01-11 10:49:40 UTC using RuboCop version 1.59.0.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
 # Offense count: 1
-# Configuration parameters: Include.
+# Configuration parameters: Severity, Include.
 # Include: **/*.gemspec
 Gemspec/RequiredRubyVersion:
   Exclude:
@@ -20,23 +20,24 @@ Lint/EmptyBlock:
     - 'spec/spec_helper.rb'
 
 # Offense count: 1
+# Configuration parameters: AllowedParentClasses.
 Lint/MissingSuper:
   Exclude:
     - 'lib/postcode_anywhere/bank_account_validation.rb'
 
 # Offense count: 2
-# Configuration parameters: IgnoredMethods, CountRepeatedAttributes.
+# Configuration parameters: AllowedMethods, AllowedPatterns, CountRepeatedAttributes.
 Metrics/AbcSize:
   Max: 58
 
 # Offense count: 1
-# Configuration parameters: CountComments, CountAsOne, ExcludedMethods, IgnoredMethods.
-# IgnoredMethods: refine
+# Configuration parameters: CountComments, CountAsOne, AllowedMethods, AllowedPatterns.
+# AllowedMethods: refine
 Metrics/BlockLength:
   Max: 82
 
 # Offense count: 2
-# Configuration parameters: CountComments, CountAsOne, ExcludedMethods, IgnoredMethods.
+# Configuration parameters: CountComments, CountAsOne, AllowedMethods, AllowedPatterns.
 Metrics/MethodLength:
   Max: 26
 
@@ -49,9 +50,9 @@ Naming/FileName:
     - 'lib/ruby-postcodeanywhere.rb'
 
 # Offense count: 5
-# Configuration parameters: EnforcedStyle, CheckMethodNames, CheckSymbols, AllowedIdentifiers.
+# Configuration parameters: EnforcedStyle, CheckMethodNames, CheckSymbols, AllowedIdentifiers, AllowedPatterns.
 # SupportedStyles: snake_case, normalcase, non_integer
-# AllowedIdentifiers: capture3, iso8601, rfc1123_date, rfc822, rfc2822, rfc3339
+# AllowedIdentifiers: capture3, iso8601, rfc1123_date, rfc822, rfc2822, rfc3339, x86_64
 Naming/VariableNumber:
   Exclude:
     - 'lib/ruby-postcodeanywhere.rb'
@@ -61,7 +62,7 @@ Style/ClassVars:
   Exclude:
     - 'lib/ruby-postcodeanywhere.rb'
 
-# Offense count: 5
+# Offense count: 7
 # Configuration parameters: AllowedConstants.
 Style/Documentation:
   Exclude:
@@ -70,9 +71,9 @@ Style/Documentation:
     - 'lib/postcode_anywhere/bank_account_validation.rb'
     - 'lib/ruby-postcodeanywhere.rb'
 
-# Offense count: 2
-# This cop supports safe auto-correction (--auto-correct).
-# Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, AllowedPatterns, IgnoredPatterns.
+# Offense count: 3
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, AllowedPatterns.
 # URISchemes: http, https
 Layout/LineLength:
   Max: 200