diff --git a/.rubocop.yml b/.rubocop.yml
index 2db6241..35ab436 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -17,6 +17,9 @@ Style/TrailingCommaInArrayLiteral:
 Style/RedundantSelf:
   Enabled: false
 
+Style/Documentation:
+  Enabled: false
+
 Layout/IndentationWidth:
   Enabled: false
 
@@ -41,6 +44,15 @@ Layout/CaseIndentation:
   EnforcedStyle: end
   IndentOneStep: true
 
+Metrics/AbcSize:
+  Max: 25
+
+Metrics/CyclomaticComplexity:
+  Max: 25
+
+Metrics/MethodLength:
+  Max: 20
+
 # Ignore for rspec
 Metrics/BlockLength:
   IgnoredMethods: ['describe', 'context']
diff --git a/augury.gemspec b/augury.gemspec
index 357e262..b68a408 100644
--- a/augury.gemspec
+++ b/augury.gemspec
@@ -25,4 +25,5 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'twitter', '~>7.0'
   ## For the word_wrap function
   spec.add_dependency 'word_wrap', '~>1.0'
+  spec.metadata['rubygems_mfa_required'] = 'true'
 end
diff --git a/exe/augury b/exe/augury
index 7c59847..b8cd5fa 100755
--- a/exe/augury
+++ b/exe/augury
@@ -1,3 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
+
 require 'augury/cli'
 Augury::CLI.start
diff --git a/lib/augury/fortune.rb b/lib/augury/fortune.rb
index b17cdb4..7aa09eb 100644
--- a/lib/augury/fortune.rb
+++ b/lib/augury/fortune.rb
@@ -92,7 +92,7 @@ def twitter_setup
 
     def transforms
       all_transforms = []
-      all_transforms << [/https?:\/\/[^\s]+/, ''] if @config[:remove_links]
+      all_transforms << [%r{https?://[^\s]+}, ''] if @config[:remove_links]
       return all_transforms unless @config[:apply_transforms]
 
       all_transforms.push(*@config.dig('transforms', @username) || [])
diff --git a/spec/lib/augury/fortune_spec.rb b/spec/lib/augury/fortune_spec.rb
index eef87eb..fbff0fd 100644
--- a/spec/lib/augury/fortune_spec.rb
+++ b/spec/lib/augury/fortune_spec.rb
@@ -14,10 +14,10 @@
     let(:twitter_auth) do
       {
         twitter: {
-          'consumer_key' => ENV['TWITTER_CONSUMER_KEY'],
-          'consumer_secret' => ENV['TWITTER_CONSUMER_SECRET'],
-          'access_token' => ENV['TWITTER_ACCESS_TOKEN'],
-          'access_token_secret' => ENV['TWITTER_ACCESS_TOKEN_SECRET'],
+          'consumer_key' => ENV.fetch('TWITTER_CONSUMER_KEY', nil),
+          'consumer_secret' => ENV.fetch('TWITTER_CONSUMER_SECRET', nil),
+          'access_token' => ENV.fetch('TWITTER_ACCESS_TOKEN', nil),
+          'access_token_secret' => ENV.fetch('TWITTER_ACCESS_TOKEN_SECRET', nil),
         },
       }
     end
diff --git a/spec/lib/augury_spec.rb b/spec/lib/augury_spec.rb
deleted file mode 100644
index b4d079a..0000000
--- a/spec/lib/augury_spec.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-describe Augury do
-end