diff --git a/.rubocop.yml b/.rubocop.yml
index 64c0c3e..520d912 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -2,7 +2,7 @@ plugins: rubocop-rspec
 
 AllCops:
   NewCops: enable
-  TargetRubyVersion: 2.7
+  TargetRubyVersion: 3.0
 
 Style/Documentation:
   Enabled: false
diff --git a/spec/typesense/collections_spec.rb b/spec/typesense/collections_spec.rb
index 38db69d..031fddd 100644
--- a/spec/typesense/collections_spec.rb
+++ b/spec/typesense/collections_spec.rb
@@ -36,7 +36,7 @@
   describe '#create' do
     it 'creates a collection and returns it' do
       # since num_documents is a read-only attribute
-      schema_for_creation = company_schema.reject { |key, _| key == 'num_documents' }
+      schema_for_creation = company_schema.except('num_documents')
 
       stub_request(:post, Typesense::ApiCall.new(typesense.configuration).send(:uri_for, '/collections', typesense.configuration.nodes[0]))
         .with(body: schema_for_creation,
diff --git a/typesense.gemspec b/typesense.gemspec
index f585e92..8f99e29 100644
--- a/typesense.gemspec
+++ b/typesense.gemspec
@@ -15,9 +15,7 @@ Gem::Specification.new do |spec|
   spec.homepage      = 'https://typesense.org'
   spec.license       = 'Apache-2.0'
 
-  # rubocop:disable Gemspec/RequiredRubyVersion, Lint/RedundantCopDisableDirective
-  spec.required_ruby_version = '>= 2.7'
-  # rubocop:enable Gemspec/RequiredRubyVersion, Lint/RedundantCopDisableDirective
+  spec.required_ruby_version = '>= 3.0'
 
   spec.files = `git ls-files -z`.split("\x0").reject do |f|
     f.match(%r{^(test|spec|features)/})