diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index afd057d..b9f5586 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -51,7 +51,7 @@ jobs:
           COVERAGE: true
         run: bundle exec rspec
       - name: Upload coverage results
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: coverage-report
           path: coverage
@@ -103,10 +103,11 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-          - ruby-2.6
           - ruby-2.7
           - ruby-3.0
           - ruby-3.1
+          - ruby-3.2
+          - ruby-3.3
 
     steps:
       - uses: actions/checkout@v3
diff --git a/.rubocop.yml b/.rubocop.yml
index cf6b6a8..9224163 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -2,8 +2,9 @@ require: rubocop-rake
 
 inherit_gem:
   gc_ruboconfig: rubocop.yml
+
 AllCops:
-  TargetRubyVersion: 2.6
+  TargetRubyVersion: 2.7
   NewCops: enable
 
 RSpec/ExampleLength:
diff --git a/Gemfile b/Gemfile
index de28229..4761055 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,13 +6,14 @@ source "https://rubygems.org"
 gemspec
 
 group :development, :test do
-  gem "gc_ruboconfig", "~> 3.6.0"
+  gem "appraisal", "~> 2.4"
+  gem "gc_ruboconfig", "~> 5.0.1"
   gem "pry", "~> 0.14.1"
   gem "rake", "~> 13.0"
   gem "rspec", "~> 3.12.0"
   gem "rspec-its", "~> 1.3.0"
   gem "rspec_junit_formatter", "~> 0.6.0"
-  gem "rubocop", "~> 1.50.0"
+  gem "rubocop", "~> 1.65.0"
   gem "rubocop-rake", "~> 0.6.0"
   gem "simplecov", "~> 0.22.0"
   gem "webmock", "~> 3.18.1"
diff --git a/duffel_api.gemspec b/duffel_api.gemspec
index 5e34d6b..41ee031 100644
--- a/duffel_api.gemspec
+++ b/duffel_api.gemspec
@@ -11,7 +11,7 @@ Gem::Specification.new do |spec|
   spec.summary       = "A Ruby client for interacting with the Duffel API"
   spec.homepage      = "https://github.com/duffelhq/duffel-api-ruby"
   spec.license       = "MIT"
-  spec.required_ruby_version = ">= 2.6.0"
+  spec.required_ruby_version = ">= 2.7.0"
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage
@@ -32,8 +32,6 @@ Gem::Specification.new do |spec|
   spec.add_dependency "base16", "~> 0.0.2"
   spec.add_dependency "faraday", ">= 0.9.2", "< 3"
 
-  spec.add_development_dependency "appraisal", "~> 2.4"
-
   # For more information and examples about making a new gem, checkout our
   # guide at: https://bundler.io/guides/creating_gem.html
   spec.metadata = {
diff --git a/examples/book_and_change.rb b/examples/book_and_change.rb
index 45c5bf4..2386664 100644
--- a/examples/book_and_change.rb
+++ b/examples/book_and_change.rb
@@ -9,10 +9,15 @@
 # 365 days from now
 departure_date = (Time.now + (60 * 60 * 24 * 365)).strftime("%Y-%m-%d")
 
+birth_date = Date.parse("1993-04-01")
+current_date = Date.today
+age = current_date.year - birth_date.year
+age += 1 if current_date.yday > birth_date.yday
+
 offer_request = client.offer_requests.create(params: {
   cabin_class: "economy",
   passengers: [{
-    age: 28,
+    age: age,
   }],
   slices: [{
     # We use a non-sensical route to make sure we get speedy, reliable Duffel Airways
@@ -57,7 +62,7 @@
       gender: "m",
       given_name: "Tim",
       family_name: "Rogers",
-      born_on: "1993-04-01",
+      born_on: birth_date.to_s,
       phone_number: "+441290211999",
       email: "tim@duffel.com",
     },
@@ -71,7 +76,7 @@
   slices: {
     add: [{
       cabin_class: "economy",
-      departure_date: "2022-12-25",
+      departure_date: (current_date + 90).to_s,
       origin: "LHR",
       destination: "STN",
     }],
diff --git a/examples/book_with_extra_baggage.rb b/examples/book_with_extra_baggage.rb
index 0325dbd..002d78a 100644
--- a/examples/book_with_extra_baggage.rb
+++ b/examples/book_with_extra_baggage.rb
@@ -10,10 +10,15 @@
 # 365 days from now
 departure_date = (Time.now + (60 * 60 * 24 * 365)).strftime("%Y-%m-%d")
 
+birth_date = Date.parse("1993-04-01")
+current_date = Date.today
+age = current_date.year - birth_date.year
+age += 1 if current_date.yday > birth_date.yday
+
 offer_request = client.offer_requests.create(params: {
   cabin_class: "economy",
   passengers: [{
-    age: 28,
+    age: age,
   }],
   slices: [{
     # We use a non-sensical route to make sure we get speedy, reliable Duffel Airways
@@ -75,7 +80,7 @@
       gender: "m",
       given_name: "Tim",
       family_name: "Rogers",
-      born_on: "1993-04-01",
+      born_on: birth_date.to_s,
       phone_number: "+441290211999",
       email: "tim@duffel.com",
     },
diff --git a/examples/book_with_seat.rb b/examples/book_with_seat.rb
index f7569b4..96abc05 100644
--- a/examples/book_with_seat.rb
+++ b/examples/book_with_seat.rb
@@ -10,10 +10,15 @@
 # 365 days from now
 departure_date = (Time.now + (60 * 60 * 24 * 365)).strftime("%Y-%m-%d")
 
+birth_date = Date.parse("1993-04-01")
+current_date = Date.today
+age = current_date.year - birth_date.year
+age += 1 if current_date.yday > birth_date.yday
+
 offer_request = client.offer_requests.create(params: {
   cabin_class: "economy",
   passengers: [{
-    age: 28,
+    age: age,
   }],
   slices: [{
     # We use a non-sensical route to make sure we get speedy, reliable Duffel Airways
@@ -83,7 +88,7 @@
       gender: "m",
       given_name: "Tim",
       family_name: "Rogers",
-      born_on: "1993-04-01",
+      born_on: birth_date.to_s,
       phone_number: "+441290211999",
       email: "tim@duffel.com",
     },
diff --git a/examples/hold_and_pay_later.rb b/examples/hold_and_pay_later.rb
index d45b624..55ce2ad 100644
--- a/examples/hold_and_pay_later.rb
+++ b/examples/hold_and_pay_later.rb
@@ -9,10 +9,15 @@
 # 365 days from now
 departure_date = (Time.now + (60 * 60 * 24 * 365)).strftime("%Y-%m-%d")
 
+birth_date = Date.parse("1993-04-01")
+current_date = Date.today
+age = current_date.year - birth_date.year
+age += 1 if current_date.yday > birth_date.yday
+
 offer_request = client.offer_requests.create(params: {
   cabin_class: "economy",
   passengers: [{
-    age: 28,
+    age: age,
   }],
   slices: [{
     # We use a non-sensical route to make sure we get speedy, reliable Duffel Airways
@@ -52,7 +57,7 @@
       gender: "m",
       given_name: "Tim",
       family_name: "Rogers",
-      born_on: "1993-04-01",
+      born_on: birth_date.to_s,
       phone_number: "+441290211999",
       email: "tim@duffel.com",
     },
diff --git a/examples/search_and_book.rb b/examples/search_and_book.rb
index add28bd..b6dc1f2 100644
--- a/examples/search_and_book.rb
+++ b/examples/search_and_book.rb
@@ -10,10 +10,15 @@
 # 365 days from now
 departure_date = (Time.now + (60 * 60 * 24 * 365)).strftime("%Y-%m-%d")
 
+birth_date = Date.parse("1993-04-01")
+current_date = Date.today
+age = current_date.year - birth_date.year
+age += 1 if current_date.yday > birth_date.yday
+
 offer_request = client.offer_requests.create(params: {
   cabin_class: "economy",
   passengers: [{
-    age: 28,
+    age: age,
   }],
   slices: [{
     # We use a non-sensical route to make sure we get speedy, reliable Duffel Airways
@@ -72,7 +77,7 @@
       gender: "m",
       given_name: "Tim",
       family_name: "Rogers",
-      born_on: "1993-04-01",
+      born_on: birth_date.to_s,
       phone_number: "+441290211999",
       email: "tim@duffel.com",
     },
diff --git a/gemfiles/faraday_1.gemfile b/gemfiles/faraday_1.gemfile
index 0234a18..fb103af 100644
--- a/gemfiles/faraday_1.gemfile
+++ b/gemfiles/faraday_1.gemfile
@@ -7,16 +7,17 @@ source "https://rubygems.org"
 gem "faraday", "1.8.0"
 
 group :development, :test do
-  gem "gc_ruboconfig", "~> 2.32.0"
+  gem "appraisal", "~> 2.4"
+  gem "gc_ruboconfig", "~> 5.0.1"
   gem "pry", "~> 0.14.1"
   gem "rake", "~> 13.0"
-  gem "rspec", "~> 3.11.0"
+  gem "rspec", "~> 3.12.0"
   gem "rspec-its", "~> 1.3.0"
-  gem "rspec_junit_formatter", "~> 0.5.0"
-  gem "rubocop", "~> 1.25.0"
+  gem "rspec_junit_formatter", "~> 0.6.0"
+  gem "rubocop", "~> 1.65.0"
   gem "rubocop-rake", "~> 0.6.0"
-  gem "simplecov", "~> 0.21.2"
-  gem "webmock", "~> 3.14.0"
+  gem "simplecov", "~> 0.22.0"
+  gem "webmock", "~> 3.18.1"
   gem "yard", "~> 0.9.27"
 end
 
diff --git a/gemfiles/faraday_1.gemfile.lock b/gemfiles/faraday_1.gemfile.lock
index f11db11..7d8dcd6 100644
--- a/gemfiles/faraday_1.gemfile.lock
+++ b/gemfiles/faraday_1.gemfile.lock
@@ -1,26 +1,42 @@
 PATH
   remote: ..
   specs:
-    duffel_api (0.2.0)
+    duffel_api (0.4.0)
       base16 (~> 0.0.2)
       faraday (>= 0.9.2, < 3)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
-    appraisal (2.4.1)
+    activesupport (7.1.3.4)
+      base64
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      mutex_m
+      tzinfo (~> 2.0)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    appraisal (2.5.0)
       bundler
       rake
       thor (>= 0.14.0)
     ast (2.4.2)
     base16 (0.0.2)
+    base64 (0.2.0)
+    bigdecimal (3.1.8)
     coderay (1.1.3)
-    crack (0.4.5)
+    concurrent-ruby (1.3.3)
+    connection_pool (2.4.1)
+    crack (1.0.0)
+      bigdecimal
       rexml
-    diff-lcs (1.5.0)
+    diff-lcs (1.5.1)
     docile (1.4.0)
+    drb (2.2.1)
     faraday (1.8.0)
       faraday-em_http (~> 1.0)
       faraday-em_synchrony (~> 1.0)
@@ -40,95 +56,122 @@ GEM
     faraday-net_http_persistent (1.2.0)
     faraday-patron (1.0.0)
     faraday-rack (1.0.0)
-    gc_ruboconfig (2.32.0)
-      rubocop (>= 1.25)
-      rubocop-performance (>= 1.13)
-      rubocop-rspec (>= 2.8.0)
-    hashdiff (1.0.1)
-    method_source (1.0.0)
-    multipart-post (2.1.1)
-    parallel (1.21.0)
-    parser (3.1.0.0)
+    gc_ruboconfig (5.0.1)
+      rubocop (>= 1.63)
+      rubocop-factory_bot (>= 2.26.1)
+      rubocop-performance (>= 1.21)
+      rubocop-rails (>= 2.25.0)
+      rubocop-rspec (>= 3.0.1)
+      rubocop-rspec_rails (>= 2.30.0)
+    hashdiff (1.1.0)
+    i18n (1.14.5)
+      concurrent-ruby (~> 1.0)
+    json (2.7.2)
+    language_server-protocol (3.17.0.3)
+    method_source (1.1.0)
+    minitest (5.24.1)
+    multipart-post (2.4.1)
+    mutex_m (0.2.0)
+    parallel (1.25.1)
+    parser (3.3.4.0)
       ast (~> 2.4.1)
-    pry (0.14.1)
+      racc
+    pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (4.0.6)
+    public_suffix (6.0.0)
+    racc (1.8.0)
+    rack (3.1.7)
     rainbow (3.1.1)
-    rake (13.0.6)
-    regexp_parser (2.2.0)
-    rexml (3.2.5)
-    rspec (3.11.0)
-      rspec-core (~> 3.11.0)
-      rspec-expectations (~> 3.11.0)
-      rspec-mocks (~> 3.11.0)
-    rspec-core (3.11.0)
-      rspec-support (~> 3.11.0)
-    rspec-expectations (3.11.0)
+    rake (13.2.1)
+    regexp_parser (2.9.2)
+    rexml (3.3.1)
+      strscan
+    rspec (3.12.0)
+      rspec-core (~> 3.12.0)
+      rspec-expectations (~> 3.12.0)
+      rspec-mocks (~> 3.12.0)
+    rspec-core (3.12.3)
+      rspec-support (~> 3.12.0)
+    rspec-expectations (3.12.4)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
+      rspec-support (~> 3.12.0)
     rspec-its (1.3.0)
       rspec-core (>= 3.0.0)
       rspec-expectations (>= 3.0.0)
-    rspec-mocks (3.11.0)
+    rspec-mocks (3.12.7)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
-    rspec-support (3.11.0)
-    rspec_junit_formatter (0.5.1)
+      rspec-support (~> 3.12.0)
+    rspec-support (3.12.2)
+    rspec_junit_formatter (0.6.0)
       rspec-core (>= 2, < 4, != 2.12.0)
-    rubocop (1.25.1)
+    rubocop (1.65.0)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.1.0.0)
+      parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml
-      rubocop-ast (>= 1.15.1, < 2.0)
+      regexp_parser (>= 2.4, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.15.1)
-      parser (>= 3.0.1.1)
-    rubocop-performance (1.13.2)
-      rubocop (>= 1.7.0, < 2.0)
-      rubocop-ast (>= 0.4.0)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.31.3)
+      parser (>= 3.3.1.0)
+    rubocop-factory_bot (2.26.1)
+      rubocop (~> 1.61)
+    rubocop-performance (1.21.1)
+      rubocop (>= 1.48.1, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
+    rubocop-rails (2.25.1)
+      activesupport (>= 4.2.0)
+      rack (>= 1.1)
+      rubocop (>= 1.33.0, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
-    rubocop-rspec (2.8.0)
-      rubocop (~> 1.19)
-    ruby-progressbar (1.11.0)
+    rubocop-rspec (3.0.3)
+      rubocop (~> 1.61)
+    rubocop-rspec_rails (2.30.0)
+      rubocop (~> 1.61)
+      rubocop-rspec (~> 3, >= 3.0.1)
+    ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
-    simplecov (0.21.2)
+    simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
-    simplecov_json_formatter (0.1.3)
-    thor (1.2.1)
-    unicode-display_width (2.1.0)
-    webmock (3.14.0)
+    simplecov_json_formatter (0.1.4)
+    strscan (3.1.0)
+    thor (1.3.1)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (2.5.0)
+    webmock (3.18.1)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webrick (1.7.0)
-    yard (0.9.27)
-      webrick (~> 1.7.0)
+    yard (0.9.36)
 
 PLATFORMS
+  arm64-darwin-23
   x86_64-darwin-20
 
 DEPENDENCIES
   appraisal (~> 2.4)
   duffel_api!
   faraday (= 1.8.0)
-  gc_ruboconfig (~> 2.32.0)
+  gc_ruboconfig (~> 5.0.1)
   pry (~> 0.14.1)
   rake (~> 13.0)
-  rspec (~> 3.11.0)
+  rspec (~> 3.12.0)
   rspec-its (~> 1.3.0)
-  rspec_junit_formatter (~> 0.5.0)
-  rubocop (~> 1.25.0)
+  rspec_junit_formatter (~> 0.6.0)
+  rubocop (~> 1.65.0)
   rubocop-rake (~> 0.6.0)
-  simplecov (~> 0.21.2)
-  webmock (~> 3.14.0)
+  simplecov (~> 0.22.0)
+  webmock (~> 3.18.1)
   yard (~> 0.9.27)
 
 BUNDLED WITH
diff --git a/gemfiles/faraday_2.gemfile b/gemfiles/faraday_2.gemfile
index 81fd5cd..3452c11 100644
--- a/gemfiles/faraday_2.gemfile
+++ b/gemfiles/faraday_2.gemfile
@@ -7,16 +7,17 @@ source "https://rubygems.org"
 gem "faraday", "2.0.1"
 
 group :development, :test do
-  gem "gc_ruboconfig", "~> 2.32.0"
+  gem "appraisal", "~> 2.4"
+  gem "gc_ruboconfig", "~> 5.0.1"
   gem "pry", "~> 0.14.1"
   gem "rake", "~> 13.0"
-  gem "rspec", "~> 3.11.0"
+  gem "rspec", "~> 3.12.0"
   gem "rspec-its", "~> 1.3.0"
-  gem "rspec_junit_formatter", "~> 0.5.0"
-  gem "rubocop", "~> 1.25.0"
+  gem "rspec_junit_formatter", "~> 0.6.0"
+  gem "rubocop", "~> 1.65.0"
   gem "rubocop-rake", "~> 0.6.0"
-  gem "simplecov", "~> 0.21.2"
-  gem "webmock", "~> 3.14.0"
+  gem "simplecov", "~> 0.22.0"
+  gem "webmock", "~> 3.18.1"
   gem "yard", "~> 0.9.27"
 end
 
diff --git a/gemfiles/faraday_2.gemfile.lock b/gemfiles/faraday_2.gemfile.lock
index 039592c..92f49b3 100644
--- a/gemfiles/faraday_2.gemfile.lock
+++ b/gemfiles/faraday_2.gemfile.lock
@@ -1,118 +1,161 @@
 PATH
   remote: ..
   specs:
-    duffel_api (0.2.0)
+    duffel_api (0.4.0)
       base16 (~> 0.0.2)
       faraday (>= 0.9.2, < 3)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
-    appraisal (2.4.1)
+    activesupport (7.1.3.4)
+      base64
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      mutex_m
+      tzinfo (~> 2.0)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    appraisal (2.5.0)
       bundler
       rake
       thor (>= 0.14.0)
     ast (2.4.2)
     base16 (0.0.2)
+    base64 (0.2.0)
+    bigdecimal (3.1.8)
     coderay (1.1.3)
-    crack (0.4.5)
+    concurrent-ruby (1.3.3)
+    connection_pool (2.4.1)
+    crack (1.0.0)
+      bigdecimal
       rexml
-    diff-lcs (1.5.0)
+    diff-lcs (1.5.1)
     docile (1.4.0)
+    drb (2.2.1)
     faraday (2.0.1)
       faraday-net_http (~> 2.0)
       ruby2_keywords (>= 0.0.4)
-    faraday-net_http (2.0.1)
-    gc_ruboconfig (2.32.0)
-      rubocop (>= 1.25)
-      rubocop-performance (>= 1.13)
-      rubocop-rspec (>= 2.8.0)
-    hashdiff (1.0.1)
-    method_source (1.0.0)
-    parallel (1.21.0)
-    parser (3.1.0.0)
+    faraday-net_http (2.1.0)
+    gc_ruboconfig (5.0.1)
+      rubocop (>= 1.63)
+      rubocop-factory_bot (>= 2.26.1)
+      rubocop-performance (>= 1.21)
+      rubocop-rails (>= 2.25.0)
+      rubocop-rspec (>= 3.0.1)
+      rubocop-rspec_rails (>= 2.30.0)
+    hashdiff (1.1.0)
+    i18n (1.14.5)
+      concurrent-ruby (~> 1.0)
+    json (2.7.2)
+    language_server-protocol (3.17.0.3)
+    method_source (1.1.0)
+    minitest (5.24.1)
+    mutex_m (0.2.0)
+    parallel (1.25.1)
+    parser (3.3.4.0)
       ast (~> 2.4.1)
-    pry (0.14.1)
+      racc
+    pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (4.0.6)
+    public_suffix (6.0.0)
+    racc (1.8.0)
+    rack (3.1.7)
     rainbow (3.1.1)
-    rake (13.0.6)
-    regexp_parser (2.2.0)
-    rexml (3.2.5)
-    rspec (3.11.0)
-      rspec-core (~> 3.11.0)
-      rspec-expectations (~> 3.11.0)
-      rspec-mocks (~> 3.11.0)
-    rspec-core (3.11.0)
-      rspec-support (~> 3.11.0)
-    rspec-expectations (3.11.0)
+    rake (13.2.1)
+    regexp_parser (2.9.2)
+    rexml (3.3.1)
+      strscan
+    rspec (3.12.0)
+      rspec-core (~> 3.12.0)
+      rspec-expectations (~> 3.12.0)
+      rspec-mocks (~> 3.12.0)
+    rspec-core (3.12.3)
+      rspec-support (~> 3.12.0)
+    rspec-expectations (3.12.4)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
+      rspec-support (~> 3.12.0)
     rspec-its (1.3.0)
       rspec-core (>= 3.0.0)
       rspec-expectations (>= 3.0.0)
-    rspec-mocks (3.11.0)
+    rspec-mocks (3.12.7)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
-    rspec-support (3.11.0)
-    rspec_junit_formatter (0.5.1)
+      rspec-support (~> 3.12.0)
+    rspec-support (3.12.2)
+    rspec_junit_formatter (0.6.0)
       rspec-core (>= 2, < 4, != 2.12.0)
-    rubocop (1.25.1)
+    rubocop (1.65.0)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.1.0.0)
+      parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml
-      rubocop-ast (>= 1.15.1, < 2.0)
+      regexp_parser (>= 2.4, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.15.1)
-      parser (>= 3.0.1.1)
-    rubocop-performance (1.13.2)
-      rubocop (>= 1.7.0, < 2.0)
-      rubocop-ast (>= 0.4.0)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.31.3)
+      parser (>= 3.3.1.0)
+    rubocop-factory_bot (2.26.1)
+      rubocop (~> 1.61)
+    rubocop-performance (1.21.1)
+      rubocop (>= 1.48.1, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
+    rubocop-rails (2.25.1)
+      activesupport (>= 4.2.0)
+      rack (>= 1.1)
+      rubocop (>= 1.33.0, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rake (0.6.0)
       rubocop (~> 1.0)
-    rubocop-rspec (2.8.0)
-      rubocop (~> 1.19)
-    ruby-progressbar (1.11.0)
+    rubocop-rspec (3.0.3)
+      rubocop (~> 1.61)
+    rubocop-rspec_rails (2.30.0)
+      rubocop (~> 1.61)
+      rubocop-rspec (~> 3, >= 3.0.1)
+    ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
-    simplecov (0.21.2)
+    simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
-    simplecov_json_formatter (0.1.3)
-    thor (1.2.1)
-    unicode-display_width (2.1.0)
-    webmock (3.14.0)
+    simplecov_json_formatter (0.1.4)
+    strscan (3.1.0)
+    thor (1.3.1)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (2.5.0)
+    webmock (3.18.1)
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webrick (1.7.0)
-    yard (0.9.27)
-      webrick (~> 1.7.0)
+    yard (0.9.36)
 
 PLATFORMS
+  arm64-darwin-23
   x86_64-darwin-20
 
 DEPENDENCIES
   appraisal (~> 2.4)
   duffel_api!
   faraday (= 2.0.1)
-  gc_ruboconfig (~> 2.32.0)
+  gc_ruboconfig (~> 5.0.1)
   pry (~> 0.14.1)
   rake (~> 13.0)
-  rspec (~> 3.11.0)
+  rspec (~> 3.12.0)
   rspec-its (~> 1.3.0)
-  rspec_junit_formatter (~> 0.5.0)
-  rubocop (~> 1.25.0)
+  rspec_junit_formatter (~> 0.6.0)
+  rubocop (~> 1.65.0)
   rubocop-rake (~> 0.6.0)
-  simplecov (~> 0.21.2)
-  webmock (~> 3.14.0)
+  simplecov (~> 0.22.0)
+  webmock (~> 3.18.1)
   yard (~> 0.9.27)
 
 BUNDLED WITH
diff --git a/lib/duffel_api/middlewares/rate_limiter.rb b/lib/duffel_api/middlewares/rate_limiter.rb
index e623008..73b8281 100644
--- a/lib/duffel_api/middlewares/rate_limiter.rb
+++ b/lib/duffel_api/middlewares/rate_limiter.rb
@@ -15,7 +15,7 @@ def mutex
       end
 
       def initialize(app, options = {})
-        super(app, options)
+        super
       end
 
       def call(env)
diff --git a/lib/duffel_api/resources/aircraft.rb b/lib/duffel_api/resources/aircraft.rb
index 8948b69..ca6824f 100644
--- a/lib/duffel_api/resources/aircraft.rb
+++ b/lib/duffel_api/resources/aircraft.rb
@@ -20,7 +20,7 @@ def initialize(object, response = nil)
         @id = object["id"]
         @name = object["name"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/airline.rb b/lib/duffel_api/resources/airline.rb
index 36a8617..5384f61 100644
--- a/lib/duffel_api/resources/airline.rb
+++ b/lib/duffel_api/resources/airline.rb
@@ -28,7 +28,7 @@ def initialize(object, response = nil)
         @logo_lockup_url = object["logo_lockup_url"]
         @logo_symbol_url = object["logo_symbol_url"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/airport.rb b/lib/duffel_api/resources/airport.rb
index ec6f4ca..28c6873 100644
--- a/lib/duffel_api/resources/airport.rb
+++ b/lib/duffel_api/resources/airport.rb
@@ -48,7 +48,7 @@ def initialize(object, response = nil)
         @name = object["name"]
         @time_zone = object["time_zone"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/offer.rb b/lib/duffel_api/resources/offer.rb
index 182bb2e..801f0f7 100644
--- a/lib/duffel_api/resources/offer.rb
+++ b/lib/duffel_api/resources/offer.rb
@@ -51,7 +51,7 @@ def initialize(object, response = nil)
         @total_emissions_kg = object["total_emissions_kg"]
         @updated_at = object["updated_at"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/offer_passenger.rb b/lib/duffel_api/resources/offer_passenger.rb
index 414dea8..9e23e83 100644
--- a/lib/duffel_api/resources/offer_passenger.rb
+++ b/lib/duffel_api/resources/offer_passenger.rb
@@ -32,7 +32,7 @@ def initialize(object, response = nil)
         @family_name = object["family_name"]
         @age = object["age"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/offer_request.rb b/lib/duffel_api/resources/offer_request.rb
index b407117..e66a8f7 100644
--- a/lib/duffel_api/resources/offer_request.rb
+++ b/lib/duffel_api/resources/offer_request.rb
@@ -36,7 +36,7 @@ def initialize(object, response = nil)
         @passengers = object["passengers"]
         @slices = object["slices"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/order.rb b/lib/duffel_api/resources/order.rb
index 5452d27..785a126 100644
--- a/lib/duffel_api/resources/order.rb
+++ b/lib/duffel_api/resources/order.rb
@@ -49,7 +49,7 @@ def initialize(object, response = nil)
         @total_amount = object["total_amount"]
         @total_currency = object["total_currency"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/order_cancellation.rb b/lib/duffel_api/resources/order_cancellation.rb
index 98e21a6..87d499e 100644
--- a/lib/duffel_api/resources/order_cancellation.rb
+++ b/lib/duffel_api/resources/order_cancellation.rb
@@ -27,7 +27,7 @@ def initialize(object, response = nil)
         @refund_currency = object["refund_currency"]
         @refund_to = object["refund_to"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/order_change.rb b/lib/duffel_api/resources/order_change.rb
index f48167b..75fe02b 100644
--- a/lib/duffel_api/resources/order_change.rb
+++ b/lib/duffel_api/resources/order_change.rb
@@ -37,7 +37,7 @@ def initialize(object, response = nil)
         @refund_to = object["refund_to"]
         @slices = object["slices"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/order_change_offer.rb b/lib/duffel_api/resources/order_change_offer.rb
index 3a898a3..f5693b2 100644
--- a/lib/duffel_api/resources/order_change_offer.rb
+++ b/lib/duffel_api/resources/order_change_offer.rb
@@ -37,7 +37,7 @@ def initialize(object, response = nil)
         @slices = object["slices"]
         @updated_at = object["updated_at"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/order_change_request.rb b/lib/duffel_api/resources/order_change_request.rb
index 27a1ab8..b0f2e1b 100644
--- a/lib/duffel_api/resources/order_change_request.rb
+++ b/lib/duffel_api/resources/order_change_request.rb
@@ -23,7 +23,7 @@ def initialize(object, response = nil)
         @slices = object["slices"]
         @updated_at = object["updated_at"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/payment.rb b/lib/duffel_api/resources/payment.rb
index 5601620..61bfbdb 100644
--- a/lib/duffel_api/resources/payment.rb
+++ b/lib/duffel_api/resources/payment.rb
@@ -19,7 +19,7 @@ def initialize(object, response = nil)
         @id = object["id"]
         @type = object["type"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/payment_intent.rb b/lib/duffel_api/resources/payment_intent.rb
index d0d9d9a..3399b4d 100644
--- a/lib/duffel_api/resources/payment_intent.rb
+++ b/lib/duffel_api/resources/payment_intent.rb
@@ -43,7 +43,7 @@ def initialize(object, response = nil)
         @status = object["status"]
         @updated_at = object["updated_at"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/refund.rb b/lib/duffel_api/resources/refund.rb
index 4804616..f3d0ff8 100644
--- a/lib/duffel_api/resources/refund.rb
+++ b/lib/duffel_api/resources/refund.rb
@@ -33,7 +33,7 @@ def initialize(object, response = nil)
         @status = object["status"]
         @updated_at = object["updated_at"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/seat_map.rb b/lib/duffel_api/resources/seat_map.rb
index ed948e4..6d4e030 100644
--- a/lib/duffel_api/resources/seat_map.rb
+++ b/lib/duffel_api/resources/seat_map.rb
@@ -17,7 +17,7 @@ def initialize(object, response = nil)
         @segment_id = object["segment_id"]
         @slice_id = object["slice_id"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/lib/duffel_api/resources/webhook.rb b/lib/duffel_api/resources/webhook.rb
index 820ac8d..6913b0e 100644
--- a/lib/duffel_api/resources/webhook.rb
+++ b/lib/duffel_api/resources/webhook.rb
@@ -25,7 +25,7 @@ def initialize(object, response = nil)
         @updated_at = object["updated_at"]
         @url = object["url"]
 
-        super(object, response)
+        super
       end
     end
   end
diff --git a/spec/duffel_api/services/offers_service_spec.rb b/spec/duffel_api/services/offers_service_spec.rb
index 8152e19..7aad0c3 100644
--- a/spec/duffel_api/services/offers_service_spec.rb
+++ b/spec/duffel_api/services/offers_service_spec.rb
@@ -297,15 +297,16 @@
     context "with parameters" do
       let!(:stub) do
         stub_request(:get, "https://api.duffel.com/air/offers/off_0000AEdGRhtp5AUUdJqMxo").
-          with(query: { "return_available_services" => true })
-        to_return(
-          body: response_body,
-          headers: response_headers,
-        )
-        it "makes the expected request to the Duffel API" do
-          client.offers.get(id, params: { return_available_services: true })
-          expect(stub).to have_been_requested
-        end
+          with(query: { "return_available_services" => true }).
+          to_return(
+            body: response_body,
+            headers: response_headers,
+          )
+      end
+
+      it "makes the expected request to the Duffel API" do
+        client.offers.get(id, params: { return_available_services: true })
+        expect(stub).to have_been_requested
       end
     end
   end