diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4dbcedc..04705e4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,13 +4,13 @@ jobs:
   build:
     strategy:
       matrix:
-        version: ["ruby:3.3", "ruby:3.2", "ruby:3.1"]
+        version: ["ruby:3.4", "ruby:3.3", "ruby:3.2"]
     runs-on: ubuntu-latest
     container: ${{ matrix.version }}
     steps:
       - uses: actions/checkout@v2
       - name: Bundler cache
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: vendor/bundle
           key: ${{ runner.os }}-${{ matrix.version }}-bundler-${{ hashFiles('Gemfile.lock') }}
diff --git a/.ruby-version b/.ruby-version
index a0891f5..f989260 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.3.4
+3.4.4
diff --git a/lib/reynard/context.rb b/lib/reynard/context.rb
index d7228ab..7e532b5 100644
--- a/lib/reynard/context.rb
+++ b/lib/reynard/context.rb
@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require 'ostruct'
-
 class Reynard
   # Exposes a public interface to build a request context.
   class Context
diff --git a/lib/reynard/object_builder.rb b/lib/reynard/object_builder.rb
index 0d9c599..c802e6f 100644
--- a/lib/reynard/object_builder.rb
+++ b/lib/reynard/object_builder.rb
@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require 'ostruct'
-
 class Reynard
   # Defines dynamic classes based on schema and instantiates them for a response.
   class ObjectBuilder
diff --git a/lib/reynard/specification/finder.rb b/lib/reynard/specification/finder.rb
index 6e001e5..773d3a2 100644
--- a/lib/reynard/specification/finder.rb
+++ b/lib/reynard/specification/finder.rb
@@ -18,7 +18,7 @@ def find_each(&)
       def find_into(path, &block)
         data = @specification.dig(*path)
 
-        yield path if data.respond_to?(:key?) && (data.key?('type') && (@query.type == data['type']))
+        yield path if data.respond_to?(:key?) && data.key?('type') && (@query.type == data['type'])
 
         return unless data.respond_to?(:each_key)
 
diff --git a/test/integration/reynard_test.rb b/test/integration/reynard_test.rb
index c0a2b74..e945f0d 100644
--- a/test/integration/reynard_test.rb
+++ b/test/integration/reynard_test.rb
@@ -2,6 +2,8 @@
 
 require_relative '../test_helper'
 
+require 'open3'
+
 module Integration
   class ReynardTest < Reynard::Test
     def setup
diff --git a/test/support/simple_service.rb b/test/support/simple_service.rb
index ea70135..ac9812e 100644
--- a/test/support/simple_service.rb
+++ b/test/support/simple_service.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-require 'open3'
-require 'ostruct'
-
 require 'multi_json'
 require 'webrick'
 
diff --git a/test/test_helper.rb b/test/test_helper.rb
index a0172ba..8ef3099 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -8,7 +8,6 @@
 
 require 'minitest/autorun'
 require 'webmock/minitest'
-require 'ostruct'
 require 'logger'
 
 $LOAD_PATH << File.expand_path('../lib', __dir__)