diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 77ef506..904deff 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -1,23 +1,11 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2025-01-17 07:38:10 UTC using RuboCop version 1.70.0.
+# on 2025-01-17 07:46:46 UTC using RuboCop version 1.70.0.
 # 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
-# This cop supports safe autocorrection (--autocorrect).
-Lint/AmbiguousOperatorPrecedence:
-  Exclude:
-    - 'bin/colore-client'
-
-# Offense count: 1
-# This cop supports unsafe autocorrection (--autocorrect-all).
-Lint/RedundantRequireStatement:
-  Exclude:
-    - 'bin/colore-client'
-
 # Offense count: 1
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: AutoCorrect, AllowUnusedKeywordArguments, IgnoreEmptyMethods, IgnoreNotImplementedMethods, NotImplementedExceptions.
@@ -26,12 +14,11 @@ Lint/UnusedMethodArgument:
   Exclude:
     - 'lib/colore/client.rb'
 
-# Offense count: 6
+# Offense count: 2
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: AutoCorrect.
 Lint/UselessAssignment:
   Exclude:
-    - 'bin/colore-client'
     - 'lib/colore/client.rb'
 
 # Offense count: 1
@@ -81,31 +68,18 @@ Style/Documentation:
     - 'lib/colore/client.rb'
     - 'lib/colore/errors.rb'
 
-# Offense count: 2
-# This cop supports safe autocorrection (--autocorrect).
-Style/FileWrite:
-  Exclude:
-    - 'bin/colore-client'
-
-# Offense count: 6
+# Offense count: 5
 # This cop supports unsafe autocorrection (--autocorrect-all).
 # Configuration parameters: EnforcedStyle.
 # SupportedStyles: always, always_true, never
 Style/FrozenStringLiteralComment:
   Exclude:
     - 'Rakefile'
-    - 'bin/colore-client'
     - 'lib/colore-client.rb'
     - 'lib/colore/client.rb'
     - 'lib/colore/client/version.rb'
     - 'lib/colore/errors.rb'
 
-# Offense count: 2
-# This cop supports unsafe autocorrection (--autocorrect-all).
-Style/GlobalStdStream:
-  Exclude:
-    - 'bin/colore-client'
-
 # Offense count: 1
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: EnforcedStyle, EnforcedShorthandSyntax, UseHashRocketsWithSymbolValues, PreferHashRocketsForNonAlnumEndingSymbols.
@@ -130,23 +104,15 @@ Style/MethodDefParentheses:
     - 'lib/colore/client.rb'
     - 'lib/colore/errors.rb'
 
-# Offense count: 3
+# Offense count: 2
 # This cop supports unsafe autocorrection (--autocorrect-all).
 # Configuration parameters: EnforcedStyle.
 # SupportedStyles: literals, strict
 Style/MutableConstant:
   Exclude:
-    - 'bin/colore-client'
     - 'lib/colore/client.rb'
     - 'lib/colore/client/version.rb'
 
-# Offense count: 1
-# This cop supports safe autocorrection (--autocorrect).
-# Configuration parameters: PreferredDelimiters.
-Style/PercentLiteralDelimiters:
-  Exclude:
-    - 'bin/colore-client'
-
 # Offense count: 1
 # This cop supports unsafe autocorrection (--autocorrect-all).
 # Configuration parameters: AllowedCompactTypes.
@@ -154,46 +120,18 @@ Style/PercentLiteralDelimiters:
 Style/RaiseArgs:
   EnforcedStyle: compact
 
-# Offense count: 1
-# This cop supports safe autocorrection (--autocorrect).
-Style/RedundantCondition:
-  Exclude:
-    - 'bin/colore-client'
-
 # Offense count: 2
 # This cop supports safe autocorrection (--autocorrect).
 Style/RedundantPercentQ:
   Exclude:
     - 'colore-client.gemspec'
 
-# Offense count: 1
-# This cop supports safe autocorrection (--autocorrect).
-# Configuration parameters: AllowAsExpressionSeparator.
-Style/Semicolon:
-  Exclude:
-    - 'bin/colore-client'
-
-# Offense count: 1
-# This cop supports unsafe autocorrection (--autocorrect-all).
-# Configuration parameters: RequireEnglish.
-# SupportedStyles: use_perl_names, use_english_names, use_builtin_english_names
-Style/SpecialGlobalVars:
-  EnforcedStyle: use_perl_names
-
-# Offense count: 1
-# This cop supports unsafe autocorrection (--autocorrect-all).
-# Configuration parameters: Mode.
-Style/StringConcatenation:
-  Exclude:
-    - 'bin/colore-client'
-
-# Offense count: 4
+# Offense count: 2
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: EnforcedStyle, ConsistentQuotesInMultiline.
 # SupportedStyles: single_quotes, double_quotes
 Style/StringLiterals:
   Exclude:
-    - 'bin/colore-client'
     - 'lib/colore/client.rb'
     - 'lib/colore/errors.rb'
 
diff --git a/bin/colore-client b/bin/colore-client
index c40543e..70912e1 100755
--- a/bin/colore-client
+++ b/bin/colore-client
@@ -1,11 +1,11 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require 'optparse'
 require 'pathname'
-require 'pp'
 
-BASE = Pathname.new(__FILE__).realpath.parent.parent
-$: << BASE + 'lib'
+BIN_BASE = Pathname.new(__dir__)
+$LOAD_PATH << BIN_BASE.join('../lib')
 
 require 'colore-client'
 
@@ -23,13 +23,13 @@ output_file = nil
 callback_url = nil
 verbose = nil
 
-REQUESTS = %w(
+REQUESTS = %w[
   ping
   create_document update_document update_title
   request_conversion delete_document
   delete_version get_document get_document_info
   convert
-)
+].freeze
 
 OptionParser.new do |opts|
   opts.banner = 'Usage: colore_client -r {request} [opts]'
@@ -46,21 +46,23 @@ OptionParser.new do |opts|
   opts.on('-c', '--callback-url URL', 'Callback URL for conversion callbacks') { |c| callback_url = c }
   opts.on('-B', '--backtrace', 'Request backtrace on errors') { backtrace = true }
   opts.on('-V', '--verbose', 'Log interactions') { verbose = true }
-  opts.on('-h', '--help', 'This message') { puts opts; exit 0 }
+  opts.on('-h', '--help', 'This message') do
+    puts opts
+    exit 0
+  end
   opts.separator "Valid requests: #{REQUESTS.join ', '}"
 end.parse!
 
-logger = Logger.new(verbose ? STDOUT : nil)
+logger = Logger.new(verbose ? $stdout : nil)
 
 client = Colore::Client.new base_uri: base_uri, app: app, backtrace: backtrace, logger: logger
 
 begin
-  resp = nil
   case request
   when 'ping'
-    resp = client.ping
+    client.ping
   when 'create_document'
-    resp = client.create_document(
+    client.create_document(
       doc_id: doc_id,
       title: title,
       filename: (File.basename(file) if file),
@@ -69,7 +71,7 @@ begin
       callback_url: callback_url
     )
   when 'update_document'
-    resp = client.update_document(
+    client.update_document(
       doc_id: doc_id,
       filename: (File.basename(file) if file),
       content: (File.read(file) if file),
@@ -89,7 +91,7 @@ begin
   when 'get_document'
     resp = client.delete_document doc_id: doc_id, version: version, filename: filename
     if output_file
-      File.open(output_file, "wb") { |f| f.write(resp) }
+      File.binwrite(output_file, resp)
       resp = nil
     end
   when 'get_document_info'
@@ -97,7 +99,7 @@ begin
   when 'convert'
     resp = client.convert content: File.read(file), action: actions[0], language: language
     if output_file
-      File.open(output_file, "wb") { |f| f.write(resp) }
+      File.binwrite(output_file, resp)
       resp = nil
     end
   else
@@ -105,9 +107,9 @@ begin
   end
 
   if resp.respond_to? :to_hash
-    resp.respond_to? :to_hash
+    resp.to_hash
   else
-    STDOUT.write resp
+    write(resp)
   end
 rescue Colore::Errors::APIError => e
   puts "Received error from colore: #{e.http_code}, #{e.message}"