diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index daca142..2eab29d 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2023-12-16 21:20:23 UTC using RuboCop version 1.59.0.
+# on 2024-06-13 00:13:47 UTC using RuboCop version 1.64.1.
 # 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
@@ -11,7 +11,7 @@
 # AllowedMethods: enums
 Lint/ConstantDefinitionInBlock:
   Exclude:
-    - 'spec/cloudflare/rails_spec.rb'
+    - "spec/cloudflare/rails_spec.rb"
 
 # Offense count: 1
 # This cop supports unsafe autocorrection (--autocorrect-all).
@@ -19,13 +19,13 @@ Lint/ConstantDefinitionInBlock:
 # AllowedMethods: instance_of?, kind_of?, is_a?, eql?, respond_to?, equal?, presence, present?
 Lint/RedundantSafeNavigation:
   Exclude:
-    - 'spec/cloudflare/rails_spec.rb'
+    - "spec/cloudflare/rails_spec.rb"
 
 # Offense count: 1
 # Configuration parameters: AllowComments, AllowNil.
 Lint/SuppressedException:
   Exclude:
-    - 'lib/cloudflare_rails/check_trusted_proxies.rb'
+    - "lib/cloudflare_rails/check_trusted_proxies.rb"
 
 # Offense count: 1
 # Configuration parameters: AllowedMethods, AllowedPatterns, CountRepeatedAttributes.
@@ -43,26 +43,26 @@ Metrics/MethodLength:
 # AllowedAcronyms: CLI, DSL, ACL, API, ASCII, CPU, CSS, DNS, EOF, GUID, HTML, HTTP, HTTPS, ID, IP, JSON, LHS, QPS, RAM, RHS, RPC, SLA, SMTP, SQL, SSH, TCP, TLS, TTL, UDP, UI, UID, UUID, URI, URL, UTF8, VM, XML, XMPP, XSRF, XSS
 Naming/FileName:
   Exclude:
-    - 'lib/cloudflare-rails.rb'
+    - "lib/cloudflare-rails.rb"
 
 # Offense count: 2
 # Configuration parameters: ForbiddenDelimiters.
 # ForbiddenDelimiters: (?i-mx:(^|\s)(EO[A-Z]{1}|END)(\s|$))
 Naming/HeredocDelimiterNaming:
   Exclude:
-    - 'lib/cloudflare_rails/fallback_ips.rb'
+    - "lib/cloudflare_rails/fallback_ips.rb"
 
 # Offense count: 3
 RSpec/AnyInstance:
   Exclude:
-    - 'spec/cloudflare/rails_spec.rb'
+    - "spec/cloudflare/rails_spec.rb"
 
 # Offense count: 1
 # Configuration parameters: Prefixes, AllowedPatterns.
 # Prefixes: when, with, without
 RSpec/ContextWording:
   Exclude:
-    - 'spec/cloudflare/rails_spec.rb'
+    - "spec/cloudflare/rails_spec.rb"
 
 # Offense count: 2
 # This cop supports safe autocorrection (--autocorrect).
@@ -70,19 +70,12 @@ RSpec/ContextWording:
 # DisallowedExamples: works
 RSpec/ExampleWording:
   Exclude:
-    - 'spec/cloudflare/rails_spec.rb'
-
-# Offense count: 1
-# Configuration parameters: Include, CustomTransform, IgnoreMethods, SpecSuffixOnly.
-# Include: **/*_spec*rb*, **/spec/**/*
-RSpec/FilePath:
-  Exclude:
-    - 'spec/cloudflare/rails_spec.rb'
+    - "spec/cloudflare/rails_spec.rb"
 
 # Offense count: 1
 RSpec/LeakyConstantDeclaration:
   Exclude:
-    - 'spec/cloudflare/rails_spec.rb'
+    - "spec/cloudflare/rails_spec.rb"
 
 # Offense count: 5
 RSpec/MultipleExpectations:
@@ -98,7 +91,7 @@ RSpec/MultipleMemoizedHelpers:
 # SupportedStyles: always, named_only
 RSpec/NamedSubject:
   Exclude:
-    - 'spec/cloudflare/rails_spec.rb'
+    - "spec/cloudflare/rails_spec.rb"
 
 # Offense count: 16
 # Configuration parameters: AllowedGroups.
@@ -110,19 +103,19 @@ RSpec/NestedGroups:
 # Include: **/*_spec.rb
 RSpec/SpecFilePathFormat:
   Exclude:
-    - 'spec/cloudflare/rails_spec.rb'
+    - "spec/cloudflare/rails_spec.rb"
 
 # Offense count: 1
 # This cop supports unsafe autocorrection (--autocorrect-all).
 Rails/ApplicationController:
   Exclude:
-    - 'spec/cloudflare/rails_spec.rb'
+    - "spec/cloudflare/rails_spec.rb"
 
 # Offense count: 1
 # This cop supports unsafe autocorrection (--autocorrect-all).
 Rails/CompactBlank:
   Exclude:
-    - 'lib/cloudflare_rails/importer.rb'
+    - "lib/cloudflare_rails/importer.rb"
 
 # Offense count: 3
 # This cop supports unsafe autocorrection (--autocorrect-all).
@@ -130,14 +123,14 @@ Rails/CompactBlank:
 # Include: **/Rakefile, **/*.rake
 Rails/RakeEnvironment:
   Exclude:
-    - 'Rakefile'
+    - "Rakefile"
 
 # Offense count: 1
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: AllowOnConstant, AllowOnSelfClass.
 Style/CaseEquality:
   Exclude:
-    - 'lib/cloudflare_rails/check_trusted_proxies.rb'
+    - "lib/cloudflare_rails/check_trusted_proxies.rb"
 
 # Offense count: 2
 # This cop supports safe autocorrection (--autocorrect).
@@ -147,32 +140,22 @@ Style/CaseEquality:
 Style/FormatStringToken:
   EnforcedStyle: unannotated
 
-# Offense count: 15
+# Offense count: 13
 # This cop supports unsafe autocorrection (--autocorrect-all).
 # Configuration parameters: EnforcedStyle.
 # SupportedStyles: always, always_true, never
 Style/FrozenStringLiteralComment:
   Exclude:
-    - 'Appraisals'
-    - 'Gemfile'
-    - 'Rakefile'
-    - 'cloudflare-rails.gemspec'
-    - 'gemfiles/rails_6.1.gemfile'
-    - 'gemfiles/rails_7.0.gemfile'
-    - 'gemfiles/rails_7.1.gemfile'
-    - 'lib/cloudflare_rails.rb'
-    - 'lib/cloudflare_rails/check_trusted_proxies.rb'
-    - 'lib/cloudflare_rails/importer.rb'
-    - 'lib/cloudflare_rails/railtie.rb'
-    - 'lib/cloudflare_rails/remote_ip_proxies.rb'
-    - 'lib/cloudflare_rails/version.rb'
-    - 'spec/cloudflare/rails_spec.rb'
-    - 'spec/spec_helper.rb'
+    - "Appraisals"
+    - "Gemfile"
+    - "Rakefile"
+    - "cloudflare-rails.gemspec"
+    - "gemfiles/rails_7.1.gemfile"
 
 # Offense count: 1
 Style/MultilineBlockChain:
   Exclude:
-    - 'lib/cloudflare_rails/railtie.rb'
+    - "lib/cloudflare_rails/railtie.rb"
 
 # Offense count: 2
 # This cop supports safe autocorrection (--autocorrect).
diff --git a/lib/cloudflare_rails.rb b/lib/cloudflare_rails.rb
index a785a77..09f1ef2 100644
--- a/lib/cloudflare_rails.rb
+++ b/lib/cloudflare_rails.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'zeitwerk'
 loader = Zeitwerk::Loader.for_gem
 loader.ignore("#{__dir__}/cloudflare-rails.rb")
diff --git a/lib/cloudflare_rails/check_trusted_proxies.rb b/lib/cloudflare_rails/check_trusted_proxies.rb
index fa46390..8ed753b 100644
--- a/lib/cloudflare_rails/check_trusted_proxies.rb
+++ b/lib/cloudflare_rails/check_trusted_proxies.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module CloudflareRails
   # patch rack::request::helpers to use our cloudflare ips - this way request.ip is
   # correct inside of rack and rails
diff --git a/lib/cloudflare_rails/importer.rb b/lib/cloudflare_rails/importer.rb
index f54c619..1e9ef46 100644
--- a/lib/cloudflare_rails/importer.rb
+++ b/lib/cloudflare_rails/importer.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'net/http'
 require 'uri'
 
@@ -19,9 +21,9 @@ def initialize(response)
       end
     end
 
-    BASE_URL = 'https://www.cloudflare.com'.freeze
-    IPS_V4_URL = '/ips-v4/'.freeze
-    IPS_V6_URL = '/ips-v6/'.freeze
+    BASE_URL = 'https://www.cloudflare.com'
+    IPS_V4_URL = '/ips-v4/'
+    IPS_V6_URL = '/ips-v6/'
 
     class << self
       def ips_v6
diff --git a/lib/cloudflare_rails/railtie.rb b/lib/cloudflare_rails/railtie.rb
index 714cf7a..3f18b17 100644
--- a/lib/cloudflare_rails/railtie.rb
+++ b/lib/cloudflare_rails/railtie.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'active_support/core_ext/integer/time'
 
 module CloudflareRails
diff --git a/lib/cloudflare_rails/remote_ip_proxies.rb b/lib/cloudflare_rails/remote_ip_proxies.rb
index a72ee72..024434c 100644
--- a/lib/cloudflare_rails/remote_ip_proxies.rb
+++ b/lib/cloudflare_rails/remote_ip_proxies.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module CloudflareRails
   # patch ActionDispatch::RemoteIP to use our cloudflare ips - this way
   # request.remote_ip is correct inside of rails
diff --git a/lib/cloudflare_rails/version.rb b/lib/cloudflare_rails/version.rb
index 855f967..ab02471 100644
--- a/lib/cloudflare_rails/version.rb
+++ b/lib/cloudflare_rails/version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module CloudflareRails
-  VERSION = '6.0.0'.freeze
+  VERSION = '6.0.0'
 end
diff --git a/spec/cloudflare/rails_spec.rb b/spec/cloudflare/rails_spec.rb
index 12f50d3..925935b 100644
--- a/spec/cloudflare/rails_spec.rb
+++ b/spec/cloudflare/rails_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe CloudflareRails do
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 97aa0f6..3eb85ca 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 ENV['RAILS_ENV'] ||= 'test'
 
 require 'bundler/setup'