diff --git a/.github/workflows/edge.yml b/.github/workflows/edge.yml
index b5c940278..789184085 100644
--- a/.github/workflows/edge.yml
+++ b/.github/workflows/edge.yml
@@ -6,11 +6,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.0', '3.1', '3.2', '3.3', '3.4', ruby-head, truffleruby-head, jruby-head]
+        ruby: ['3.1', '3.2', '3.3', '3.4', ruby-head, truffleruby-head, jruby-head]
         gemfile: [rails_edge, rack_edge]
         exclude:
-          - ruby: '3.0'
-            gemfile: rails_edge
           - ruby: '3.1'
             gemfile: rails_edge
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d5215ca20..2a6074c37 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,8 +23,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.0', '3.1', '3.2', '3.3', '3.4']
-        gemfile: [Gemfile, gemfiles/rack_2_0.gemfile, gemfiles/rack_3_0.gemfile, gemfiles/rack_3_1.gemfile, gemfiles/rack_3_2.gemfile, gemfiles/rails_7_0.gemfile, gemfiles/rails_7_1.gemfile, gemfiles/rails_7_2.gemfile, gemfiles/rails_8_0.gemfile, gemfiles/rails_8_1.gemfile]
+        ruby: ['3.1', '3.2', '3.3', '3.4']
+        gemfile: [Gemfile, gemfiles/rack_2_0.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]
         specs: ['spec --exclude-pattern=spec/integration/**/*_spec.rb']
         include:
           - ruby: '3.3'
@@ -36,9 +36,6 @@ jobs:
           - ruby: '3.3'
             gemfile: gemfiles/dry_validation.gemfile
             specs: 'spec/integration/dry_validation'
-          - ruby: '3.3'
-            gemfile: gemfiles/rails_7_0.gemfile
-            specs: 'spec/integration/rails'
           - ruby: '3.3'
             gemfile: gemfiles/rails_7_1.gemfile
             specs: 'spec/integration/rails'
@@ -49,12 +46,6 @@ jobs:
             gemfile: gemfiles/rails_8_0.gemfile
             specs: 'spec/integration/rails'
         exclude:
-          - ruby: '3.0'
-            gemfile: gemfiles/rails_7_2.gemfile
-          - ruby: '3.0'
-            gemfile: gemfiles/rails_8_0.gemfile
-          - ruby: '3.0'
-            gemfile: gemfiles/rails_8_1.gemfile
           - ruby: '3.1'
             gemfile: gemfiles/rails_8_0.gemfile
           - ruby: '3.1'
diff --git a/.rubocop.yml b/.rubocop.yml
index 144f1cbca..4ec2046a7 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,6 +1,6 @@
 AllCops:
   NewCops: enable
-  TargetRubyVersion: 3.0
+  TargetRubyVersion: 3.1
   SuggestExtensions: false
   Exclude:
     - vendor/**/*
diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index be6b3e5f1..5b7a0538c 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2025-11-15 17:39:14 UTC using RuboCop version 1.81.7.
+# on 2025-12-20 20:56:19 UTC using RuboCop version 1.81.7.
 # 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
@@ -145,12 +145,11 @@ Style/CombinableLoops:
   Exclude:
     - 'spec/grape/endpoint_spec.rb'
 
-# Offense count: 11
+# Offense count: 10
 # Configuration parameters: AllowedMethods.
 # AllowedMethods: respond_to_missing?
 Style/OptionalBooleanParameter:
   Exclude:
-    - 'lib/grape/dsl/inside_route.rb'
     - 'lib/grape/dsl/parameters.rb'
     - 'lib/grape/endpoint.rb'
     - 'lib/grape/serve_stream/sendfile_response.rb'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 44cd40538..123610c04 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@
 * [#2643](https://github.com/ruby-grape/grape/pull/2638): Remove `try` method in codebase - [@ericproulx](https://github.com/ericproulx).
 * [#2646](https://github.com/ruby-grape/grape/pull/2646): Call `valid_encoding?` before scrub - [@ericproulx](https://github.com/ericproulx).
 * [#2644](https://github.com/ruby-grape/grape/pull/2644): Clean useless/not valuable dependencies - [@ericproulx](https://github.com/ericproulx).
+* [#2649](https://github.com/ruby-grape/grape/pull/2644): Drop support Ruby 3.0 and ActiveSupport 7.0 - [@ericproulx](https://github.com/ericproulx).
 * [#2648](https://github.com/ruby-grape/grape/pull/2648): Remove deprecated ParamsBuilders extensions - [@ericproulx](https://github.com/ericproulx).
 * [#2645](https://github.com/ruby-grape/grape/pull/2645): Endpoints are compiled when API is compiled - [@ericproulx](https://github.com/ericproulx).
 
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1295d21c6..9b4fac85e 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -48,8 +48,8 @@ Here are some examples:
 - running rspec on a specific file `docker-compose run --rm --build grape rspec spec/:file_path`
 - running task `docker-compose run --rm --build grape rake <task_name>`
 - running rubocop `docker-compose run --rm --build grape rubocop`
-- running all specs on a specific ruby version (e.g 3.0) `RUBY_VERSION=3.0 docker-compose run --rm --build grape rspec`
-- running specs on a specific gemfile (e.g rails_7_0.gemfile) `docker-compose run -e GEMFILE=rails_7_0 --rm --build grape rspec`
+- running all specs on a specific ruby version (e.g 3.4) `RUBY_VERSION=3.4 docker-compose run --rm --build grape rspec`
+- running specs on a specific gemfile (e.g rails_8_1.gemfile) `docker-compose run -e GEMFILE=rails_8_1 --rm --build grape rspec`
 
 #### Bundle Install and Test
 
diff --git a/README.md b/README.md
index 5e6112896..824c8e3bd 100644
--- a/README.md
+++ b/README.md
@@ -178,7 +178,7 @@ The maintainers of Grape are working with Tidelift to deliver commercial support
 
 ## Installation
 
-Ruby 3.0 or newer is required.
+Ruby 3.1 or newer is required.
 
 Grape is available as a gem, to install it run:
 
diff --git a/gemfiles/rails_7_0.gemfile b/gemfiles/rails_7_0.gemfile
deleted file mode 100644
index b458a7d6f..000000000
--- a/gemfiles/rails_7_0.gemfile
+++ /dev/null
@@ -1,7 +0,0 @@
-# frozen_string_literal: true
-
-eval_gemfile '../Gemfile'
-
-gem 'mutex_m'
-gem 'rails', '~> 7.0.0'
-gem 'tzinfo-data', require: false
diff --git a/grape.gemspec b/grape.gemspec
index 5759b6d5b..60c5795c9 100644
--- a/grape.gemspec
+++ b/grape.gemspec
@@ -20,7 +20,7 @@ Gem::Specification.new do |s|
     'rubygems_mfa_required' => 'true'
   }
 
-  s.add_dependency 'activesupport', '>= 7.0'
+  s.add_dependency 'activesupport', '>= 7.1'
   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 = '>= 3.0'
+  s.required_ruby_version = '>= 3.1'
 end
diff --git a/lib/grape/dsl/helpers.rb b/lib/grape/dsl/helpers.rb
index 9d618d836..cfcb07c15 100644
--- a/lib/grape/dsl/helpers.rb
+++ b/lib/grape/dsl/helpers.rb
@@ -50,9 +50,9 @@ def include_block(block)
         end
       end
 
-      def make_inclusion(mod, &block)
+      def make_inclusion(mod, &)
         define_boolean_in_mod(mod)
-        inject_api_helpers_to_mod(mod, &block)
+        inject_api_helpers_to_mod(mod, &)
         inheritable_setting.namespace_stackable[:helpers] = mod
       end
 
diff --git a/lib/grape/dsl/parameters.rb b/lib/grape/dsl/parameters.rb
index 43e65452e..d5fb59166 100644
--- a/lib/grape/dsl/parameters.rb
+++ b/lib/grape/dsl/parameters.rb
@@ -160,9 +160,9 @@ def optional(*attrs, **opts, &block)
       # Define common settings for one or more parameters
       # @param (see #requires)
       # @option (see #requires)
-      def with(*attrs, &block)
+      def with(*attrs, &)
         new_group_attrs = [@group, attrs.clone.first].compact.reduce(&:deep_merge)
-        new_group_scope([new_group_attrs], &block)
+        new_group_scope([new_group_attrs], &)
       end
 
       %i[mutually_exclusive exactly_one_of at_least_one_of all_or_none_of].each do |validator|
@@ -178,12 +178,12 @@ def with(*attrs, &block)
       # @raise Grape::Exceptions::UnknownParameter if `attr` has not been
       #   defined in this scope yet
       # @yield a parameter definition DSL
-      def given(*attrs, &block)
+      def given(*attrs, &)
         attrs.each do |attr|
           proxy_attr = first_hash_key_or_param(attr)
           raise Grape::Exceptions::UnknownParameter.new(proxy_attr) unless declared_param?(proxy_attr)
         end
-        new_lateral_scope(dependent_on: attrs, &block)
+        new_lateral_scope(dependent_on: attrs, &)
       end
 
       # Test for whether a certain parameter has been defined in this params
diff --git a/lib/grape/dsl/routing.rb b/lib/grape/dsl/routing.rb
index c075f825e..d80eb23ca 100644
--- a/lib/grape/dsl/routing.rb
+++ b/lib/grape/dsl/routing.rb
@@ -5,10 +5,10 @@ module DSL
     module Routing
       attr_reader :endpoints
 
-      def given(conditional_option, &block)
+      def given(conditional_option, &)
         return unless conditional_option
 
-        mounted(&block)
+        mounted(&)
       end
 
       def mounted(&block)
@@ -157,7 +157,7 @@ def mount(mounts, *opts)
       #       {hello: 'world'}
       #     end
       #   end
-      def route(methods, paths = ['/'], route_options = {}, &block)
+      def route(methods, paths = ['/'], route_options = {}, &)
         method = methods == :any ? '*' : methods
         endpoint_params = inheritable_setting.namespace_stackable_with_hash(:params) || {}
         endpoint_description = inheritable_setting.route[:description]
@@ -171,7 +171,7 @@ def route(methods, paths = ['/'], route_options = {}, &block)
           path: paths,
           for: self,
           route_options: all_route_options,
-          &block
+          &
         )
         endpoints << new_endpoint unless endpoints.any? { |e| e.equals?(new_endpoint) }
 
@@ -223,7 +223,7 @@ 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, **options, &block)
+      def route_param(param, **options, &)
         options = options.dup
 
         options[:requirements] = {
@@ -234,7 +234,7 @@ def route_param(param, **options, &block)
           requires param, type: options[:type]
         end if options.key?(:type)
 
-        namespace(":#{param}", options, &block)
+        namespace(":#{param}", options, &)
       end
 
       # @return array of defined versions
diff --git a/lib/grape/dsl/validations.rb b/lib/grape/dsl/validations.rb
index 0cf83c84e..5ec5dc2b0 100644
--- a/lib/grape/dsl/validations.rb
+++ b/lib/grape/dsl/validations.rb
@@ -6,8 +6,8 @@ module Validations
       # Opens a root-level ParamsScope, defining parameter coercions and
       # validations for the endpoint.
       # @yield instance context of the new scope
-      def params(&block)
-        Grape::Validations::ParamsScope.new(api: self, type: Hash, &block)
+      def params(&)
+        Grape::Validations::ParamsScope.new(api: self, type: Hash, &)
       end
 
       # Declare the contract to be used for the endpoint's parameters.
diff --git a/lib/grape/middleware/auth/dsl.rb b/lib/grape/middleware/auth/dsl.rb
index 6cd9d9541..14610e5dd 100644
--- a/lib/grape/middleware/auth/dsl.rb
+++ b/lib/grape/middleware/auth/dsl.rb
@@ -16,12 +16,12 @@ def auth(type = nil, options = {}, &block)
         #
         # @param [Hash] options A hash of options.
         # @option options [String] :realm "API Authorization" The HTTP Basic realm.
-        def http_basic(options = {}, &block)
+        def http_basic(options = {}, &)
           options[:realm] ||= 'API Authorization'
-          auth :http_basic, options, &block
+          auth(:http_basic, options, &)
         end
 
-        def http_digest(options = {}, &block)
+        def http_digest(options = {}, &)
           options[:realm] ||= 'API Authorization'
 
           if options[:realm].respond_to?(:values_at)
@@ -30,7 +30,7 @@ def http_digest(options = {}, &block)
             options[:opaque] ||= 'secret'
           end
 
-          auth :http_digest, options, &block
+          auth(:http_digest, options, &)
         end
       end
     end
diff --git a/lib/grape/util/api_description.rb b/lib/grape/util/api_description.rb
index 0b007c4d0..e3daa54ed 100644
--- a/lib/grape/util/api_description.rb
+++ b/lib/grape/util/api_description.rb
@@ -23,10 +23,10 @@ class ApiDescription
         tags
       ].freeze
 
-      def initialize(description, endpoint_configuration, &block)
+      def initialize(description, endpoint_configuration, &)
         @endpoint_configuration = endpoint_configuration
         @attributes = { description: description }
-        instance_eval(&block)
+        instance_eval(&)
       end
 
       DSL_METHODS.each do |attribute|
diff --git a/lib/grape/validations/attributes_iterator.rb b/lib/grape/validations/attributes_iterator.rb
index 97d7f0280..a4d5287f1 100644
--- a/lib/grape/validations/attributes_iterator.rb
+++ b/lib/grape/validations/attributes_iterator.rb
@@ -14,8 +14,8 @@ def initialize(validator, scope, params)
         @params = Array.wrap(@original_params)
       end
 
-      def each(&block)
-        do_each(@params, &block) # because we need recursion for nested arrays
+      def each(&)
+        do_each(@params, &) # because we need recursion for nested arrays
       end
 
       private
diff --git a/lib/grape/validations/params_scope.rb b/lib/grape/validations/params_scope.rb
index da8de4d00..612d65f05 100644
--- a/lib/grape/validations/params_scope.rb
+++ b/lib/grape/validations/params_scope.rb
@@ -267,7 +267,7 @@ def validate_attributes(attrs, opts, &block)
       # @param optional [Boolean] whether the parameter this are nested under
       #   is optional or not (and hence, whether this block's params will be).
       # @yield parameter scope
-      def new_scope(attrs, opts, optional = false, &block)
+      def new_scope(attrs, opts, optional = false, &)
         # if required params are grouped and no type or unsupported type is provided, raise an error
         type = opts[:type]
         if attrs.first && !optional
@@ -283,7 +283,7 @@ def new_scope(attrs, opts, optional = false, &block)
           optional: optional,
           type: type || Array,
           group: @group,
-          &block
+          &
         )
       end
 
@@ -294,7 +294,7 @@ def new_scope(attrs, opts, optional = false, &block)
       #   scope should only validate if this parameter from the above scope is
       #   present
       # @yield parameter scope
-      def new_lateral_scope(options, &block)
+      def new_lateral_scope(options, &)
         self.class.new(
           api: @api,
           element: nil,
@@ -302,7 +302,7 @@ def new_lateral_scope(options, &block)
           options: @optional,
           type: type == Array ? Array : Hash,
           dependent_on: options[:dependent_on],
-          &block
+          &
         )
       end
 
@@ -311,8 +311,8 @@ def new_lateral_scope(options, &block)
       # @param attrs [Array] the attributes passed to the `requires` or
       #   `optional` invocation that opened this scope.
       # @yield parameter scope
-      def new_group_scope(attrs, &block)
-        self.class.new(api: @api, parent: self, group: attrs.first, &block)
+      def new_group_scope(attrs, &)
+        self.class.new(api: @api, parent: self, group: attrs.first, &)
       end
 
       # Pushes declared params to parent or settings
diff --git a/spec/support/chunked_response.rb b/spec/support/chunked_response.rb
index bcc47c303..c3bc8a8dc 100644
--- a/spec/support/chunked_response.rb
+++ b/spec/support/chunked_response.rb
@@ -14,7 +14,7 @@ def initialize(body)
 
     # For each element yielded by the response body, yield
     # the element in chunked encoding.
-    def each(&block)
+    def each(&)
       term = TERM
       @body.each do |chunk|
         size = chunk.bytesize
@@ -23,7 +23,7 @@ def each(&block)
         yield [size.to_s(16), term, chunk.b, term].join
       end
       yield TAIL
-      yield_trailers(&block)
+      yield_trailers(&)
       yield term
     end