Update minimum Ruby version to 3.2

- Require Ruby >= 3.2 instead of >= 3.1
- Update ActiveSupport dependency to >= 7.2
- Update RuboCop to 1.82.1 and rubocop-rspec to 3.9.0
- Remove Ruby 3.1 from CI test matrix
- Clean up code: remove unused require, update syntax

Author: ericproulx

.github/workflows/edge.yml

@@ -6,11 +6,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.1', '3.2', '3.3', '3.4', '4.0', ruby-head, truffleruby-head, jruby-head]
+        ruby: ['3.2', '3.3', '3.4', '4.0', ruby-head, truffleruby-head, jruby-head]
         gemfile: [rails_edge, rack_edge]
-        exclude:
-          - ruby: '3.1'
-            gemfile: rails_edge
     runs-on: ubuntu-latest
     continue-on-error: true
     env:

.github/workflows/test.yml

@@ -23,14 +23,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.1', '3.2', '3.3', '3.4', '4.0']
+        ruby: ['3.2', '3.3', '3.4', '4.0']
         gemfile:
           - Gemfile
           - gemfiles/rack_2_2.gemfile
           - gemfiles/rack_3_0.gemfile
           - gemfiles/rack_3_1.gemfile
           - gemfiles/rack_3_2.gemfile
-          - gemfiles/rails_7_1.gemfile
           - gemfiles/rails_7_2.gemfile
           - gemfiles/rails_8_0.gemfile
           - gemfiles/rails_8_1.gemfile
@@ -51,11 +50,6 @@ jobs:
           - ruby: '4.0'
             gemfile: gemfiles/multi_xml.gemfile
             specs: 'spec/integration/multi_xml'
-        exclude:
-          - ruby: '3.1'
-            gemfile: gemfiles/rails_8_0.gemfile
-          - ruby: '3.1'
-            gemfile: gemfiles/rails_8_1.gemfile
     runs-on: ubuntu-latest
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/${{ matrix.gemfile }}

.rubocop.yml

@@ -1,6 +1,6 @@
 AllCops:
   NewCops: enable
-  TargetRubyVersion: 3.1
+  TargetRubyVersion: 3.2
   SuggestExtensions: false
   Exclude:
     - vendor/**/*

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2025-12-20 20:56:19 UTC using RuboCop version 1.81.7.
+# on 2026-01-25 16:15:24 UTC using RuboCop version 1.82.1.
 # 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
@@ -39,12 +39,11 @@ RSpec/ExampleWording:
     - 'spec/grape/integration/global_namespace_function_spec.rb'
     - 'spec/grape/validations_spec.rb'
 
-# Offense count: 6
+# Offense count: 2
 # This cop supports safe autocorrection (--autocorrect).
 RSpec/ExpectActual:
   Exclude:
     - '**/spec/routing/**/*'
-    - 'spec/grape/endpoint/declared_spec.rb'
     - 'spec/grape/middleware/exception_spec.rb'
 
 # Offense count: 1

Gemfile

@@ -8,9 +8,9 @@ group :development, :test do
   gem 'builder', require: false
   gem 'bundler'
   gem 'rake'
-  gem 'rubocop', '1.81.7', require: false
+  gem 'rubocop', '1.82.1', require: false
   gem 'rubocop-performance', '1.26.1', require: false
-  gem 'rubocop-rspec', '3.8.0', require: false
+  gem 'rubocop-rspec', '3.9.0', require: false
 end
 
 group :development do

README.md

@@ -178,7 +178,7 @@ The maintainers of Grape are working with Tidelift to deliver commercial support
 
 ## Installation
 
-Ruby 3.1 or newer is required.
+Ruby 3.2 or newer is required.
 
 Grape is available as a gem, to install it run:
 

gemfiles/rails_7_1.gemfile

@@ -20,7 +20,7 @@ Gem::Specification.new do |s|
     'rubygems_mfa_required' => 'true'
   }
 
-  s.add_dependency 'activesupport', '>= 7.1'
+  s.add_dependency 'activesupport', '>= 7.2'
   s.add_dependency 'dry-configurable'
   s.add_dependency 'dry-types', '>= 1.1'
   s.add_dependency 'mustermann-grape', '~> 1.1.0'
@@ -29,5 +29,5 @@ Gem::Specification.new do |s|
 
   s.files = Dir['lib/**/*', 'CHANGELOG.md', 'CONTRIBUTING.md', 'README.md', 'grape.png', 'UPGRADING.md', 'LICENSE', 'grape.gemspec']
   s.require_paths = ['lib']
-  s.required_ruby_version = '>= 3.1'
+  s.required_ruby_version = '>= 3.2'
 end

grape.gemspec

@@ -33,7 +33,6 @@
 require 'rack/auth/basic'
 require 'rack/builder'
 require 'rack/head'
-require 'set'
 require 'singleton'
 require 'zeitwerk'
 

lib/grape.rb

@@ -223,14 +223,14 @@ def routes
       #
       # @param param [Symbol] The name of the parameter you wish to declare.
       # @option options [Regexp] You may supply a regular expression that the declared parameter must meet.
-      def route_param(param, requirements: nil, type: nil, **options, &)
+      def route_param(param, requirements: nil, type: nil, **, &)
         requirements = { param.to_sym => requirements } if requirements.is_a?(Regexp)
 
         Grape::Validations::ParamsScope.new(api: self) do
           requires param, type: type
         end if type
 
-        namespace(":#{param}", requirements: requirements, **options, &)
+        namespace(":#{param}", requirements: requirements, **, &)
       end
 
       # @return array of defined versions