diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index edf0e9308b..a5647de364 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -42,13 +42,11 @@ jobs:
       fail-fast: false
       matrix:
         cfg:
-          - {os: ubuntu-24.04, ruby: '3.2'}
           - {os: ubuntu-24.04, ruby: '3.3'}
           - {os: ubuntu-24.04, ruby: '3.4'}
           - {os: ubuntu-24.04, ruby: '4.0'}
-          - {os: ubuntu-24.04, ruby: 'jruby-9.4.8.0'}
-          - {os: ubuntu-24.04, ruby: 'jruby-9.4.14.0'}
-          - {os: windows-2025, ruby: '3.2'}
+          - {os: ubuntu-24.04, ruby: 'jruby-10.0.5.0'}
+          - {os: ubuntu-24.04, ruby: 'jruby-10.1.0.0'}
           - {os: windows-2025, ruby: '3.3'}
           - {os: windows-2025, ruby: '3.4'}
           - {os: windows-2025, ruby: '4.0'}
diff --git a/.rubocop.yml b/.rubocop.yml
index 58c36a00f4..3cce7c4a81 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -9,7 +9,7 @@ plugins:
 
 # without excluding the vendor dirs below, rubocop will load all rubocop config files from installed gems ¯\_(ツ)_/¯
 AllCops:
-  TargetRubyVersion: 3.1
+  TargetRubyVersion: 3.3
   Include:
     - 'lib/**/*.rb'
     - 'ext/**/*.rb'
diff --git a/lib/puppet/graph/simple_graph.rb b/lib/puppet/graph/simple_graph.rb
index 0688e8365c..dc95c43e25 100644
--- a/lib/puppet/graph/simple_graph.rb
+++ b/lib/puppet/graph/simple_graph.rb
@@ -2,7 +2,6 @@
 
 require_relative '../../puppet/external/dot'
 require_relative '../../puppet/relationship'
-require 'set'
 
 # A hopefully-faster graph class to replace the use of GRATR.
 class Puppet::Graph::SimpleGraph
diff --git a/lib/puppet/module_tool/metadata.rb b/lib/puppet/module_tool/metadata.rb
index 56eaa32ce3..0d107a7225 100644
--- a/lib/puppet/module_tool/metadata.rb
+++ b/lib/puppet/module_tool/metadata.rb
@@ -4,7 +4,6 @@
 require_relative '../../puppet/network/format_support'
 require 'uri'
 require_relative '../../puppet/util/json'
-require 'set'
 
 module Puppet::ModuleTool
   # This class provides a data structure representing a module's metadata.
diff --git a/lib/puppet/provider/package/pacman.rb b/lib/puppet/provider/package/pacman.rb
index 6c93851e52..8da72b806d 100644
--- a/lib/puppet/provider/package/pacman.rb
+++ b/lib/puppet/provider/package/pacman.rb
@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 require_relative '../../../puppet/provider/package'
-require 'set'
 require 'uri'
 
 Puppet::Type.type(:package).provide :pacman, :parent => Puppet::Provider::Package do
diff --git a/lib/puppet/settings/base_setting.rb b/lib/puppet/settings/base_setting.rb
index ebbdf09df7..3bea095311 100644
--- a/lib/puppet/settings/base_setting.rb
+++ b/lib/puppet/settings/base_setting.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 
-require 'set'
 require_relative '../../puppet/settings/errors'
 
 # The base setting type
diff --git a/lib/puppet/transaction.rb b/lib/puppet/transaction.rb
index 27d5152997..254420ce16 100644
--- a/lib/puppet/transaction.rb
+++ b/lib/puppet/transaction.rb
@@ -5,7 +5,6 @@
 require_relative '../puppet/util/skip_tags'
 require_relative '../puppet/application'
 require 'digest/sha1'
-require 'set'
 
 # the class that actually walks our resource/property tree, collects the changes,
 # and performs them
diff --git a/lib/puppet/util/tag_set.rb b/lib/puppet/util/tag_set.rb
index 2ec1d19ff0..91e509851b 100644
--- a/lib/puppet/util/tag_set.rb
+++ b/lib/puppet/util/tag_set.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 
-require 'set'
 require_relative '../../puppet/network/format_support'
 
 class Puppet::Util::TagSet < Set
diff --git a/openvox.gemspec b/openvox.gemspec
index 1ffabb3993..f1075f8a79 100644
--- a/openvox.gemspec
+++ b/openvox.gemspec
@@ -13,7 +13,7 @@ Gem::Specification.new do |spec|
   spec.licenses = ['Apache-2.0']
 
   spec.required_rubygems_version = Gem::Requirement.new("> 1.3.1")
-  spec.required_ruby_version = Gem::Requirement.new(">= 3.1.0")
+  spec.required_ruby_version = Gem::Requirement.new(">= 3.3.0")
   spec.authors = ["OpenVox Project"]
   spec.date = "2012-08-17"
   spec.description = <<~EOF