diff --git a/.expeditor/run_windows_tests.ps1 b/.expeditor/run_windows_tests.ps1
index c37728b..5c7fdea 100644
--- a/.expeditor/run_windows_tests.ps1
+++ b/.expeditor/run_windows_tests.ps1
@@ -2,6 +2,14 @@
 $ErrorActionPreference = "Stop"
 # This will run ruby test on windows platform
 
+Write-Output "--- Ensuring GCC and Make are in the path"
+$gccs = gci -path c:\ gcc.exe -Recurse -ErrorAction SilentlyContinue
+$env:path = "$($gccs[0].DirectoryName)" + ";" + $env:path
+
+$makes = gci -Path c:\ make.exe -Recurse -ErrorAction SilentlyContinue
+$env:path = "$($makes[0].DirectoryName)" + ";" + $env:path
+
+
 Write-Output "--- Bundle install"
 
 bundle config --local path vendor/bundle
diff --git a/.expeditor/verify.pipeline.yml b/.expeditor/verify.pipeline.yml
index 69d6ed8..4ddccc8 100644
--- a/.expeditor/verify.pipeline.yml
+++ b/.expeditor/verify.pipeline.yml
@@ -8,23 +8,23 @@ expeditor:
 
 steps:
 
-- label: run-specs-:ruby:-3.0
+- label: run-specs-:ruby:-3.1
   command:
     - .expeditor/run_linux_tests.sh rake spec
   expeditor:
     executor:
       docker:
-        image: ruby:3.0
+        image: ruby:3.1
 
-- label: run-specs-:ruby:-3.1
+- label: run-specs-:ruby:-3.4
   command:
     - .expeditor/run_linux_tests.sh rake spec
   expeditor:
     executor:
       docker:
-        image: ruby:3.1
+        image: ruby:3.4
 
-- label: run-specs-ruby-3.0-windows
+- label: run-specs-ruby-3.1-windows
   command:
     - .expeditor/run_windows_tests.ps1
   expeditor:
@@ -32,10 +32,10 @@ steps:
       docker:
         host_os: windows
         shell: ["powershell", "-Command"]
-        image: rubydistros/windows-2019:3.0
+        image: rubydistros/windows-2019:3.1
         user: 'NT AUTHORITY\SYSTEM'
 
-- label: run-specs-ruby-3.1-windows
+- label: run-specs-ruby-3.4-windows
   command:
     - .expeditor/run_windows_tests.ps1
   expeditor:
@@ -43,5 +43,5 @@ steps:
       docker:
         host_os: windows
         shell: ["powershell", "-Command"]
-        image: rubydistros/windows-2019:3.1
+        image: rubydistros/windows-2019:3.4
         user: 'NT AUTHORITY\SYSTEM'
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..80f6b5b
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,27 @@
+---
+name: lint
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+concurrency:
+  group: lint-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.1
+          bundler-cache: false
+      - uses: r7kamura/rubocop-problem-matchers-action@v1  # this shows the failures in the PR
+      - run: |
+          gem install cookstyle
+          cookstyle --chefstyle -c .rubocop.yml
+  
\ No newline at end of file
diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
new file mode 100644
index 0000000..c6080ab
--- /dev/null
+++ b/.github/workflows/unit.yml
@@ -0,0 +1,31 @@
+---
+name: unit
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-2019, windows-2022]
+        ruby: ['3.1', '3.4']
+    name: Unit test on ${{ matrix.os }} with Ruby ${{ matrix.ruby }}
+    runs-on: ${{ matrix.os }}
+    env:
+      RUBYOPT: '--disable-error_highlight'
+    steps:
+      - uses: actions/checkout@v4
+      - name: ruby-setup
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+      - run: bundle exec rake spec
\ No newline at end of file
diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 0000000..a1a0195
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,48 @@
+AllCops:
+  TargetRubyVersion: 3.1
+  Exclude:
+    - "spec/data/**/*"
+    - "habitat/**/*"
+    - "vendor/**/*"
+Security/Eval:
+  Enabled: false
+Lint/UselessAssignment:
+  Enabled: false
+Lint/DeprecatedClassMethods:
+  Enabled: false
+Lint/AmbiguousRegexpLiteral:
+  Enabled: false
+Lint/AssignmentInCondition:
+  Enabled: false
+Lint/AmbiguousBlockAssociation:
+  Enabled: false
+Layout/EndOfLine:
+   Enabled: false
+Lint/ShadowingOuterLocalVariable:
+  Enabled: false
+Lint/IneffectiveAccessModifier:
+  Enabled: false
+Lint/InterpolationCheck:
+  Enabled: true
+  Exclude:
+    - 'spec/unit/property_spec.rb'
+    - 'spec/functional/shell_spec.rb'
+Lint/DeprecatedConstants:
+  Enabled: true
+  Exclude:
+    - lib/chef/node/attribute.rb # false alarms
+
+
+# This cop shouldn't alert on the helper / specs itself
+Chef/Ruby/LegacyPowershellOutMethods:
+  Exclude:
+    - 'lib/chef/mixin/powershell_out.rb'
+    - 'spec/functional/mixin/powershell_out_spec.rb'
+    - 'spec/unit/mixin/powershell_out_spec.rb'
+    - 'lib/chef/resource/windows_feature_powershell.rb' # https://github.com/chef/chef/issues/10927
+    - 'lib/chef/provider/package/powershell.rb' # https://github.com/chef/chef/issues/10926
+
+# set additional paths
+Chef/Ruby/UnlessDefinedRequire:
+  Include:
+    - 'lib/**/*'
diff --git a/Gemfile b/Gemfile
index 93bb8f1..7fde256 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,6 @@ source "https://rubygems.org"
 gemspec
 
 group :test do
-  gem "cookstyle", ">= 7.32.8"
   gem "mixlib-log", "~> 3"
   gem "net-ssh"
   gem "rake"
diff --git a/Rakefile b/Rakefile
index b3bc937..90669af 100644
--- a/Rakefile
+++ b/Rakefile
@@ -12,15 +12,20 @@ rescue LoadError
   end
 end
 
-begin
-  require "cookstyle/chefstyle"
+desc "Check Linting and code style."
+task :style do
   require "rubocop/rake_task"
-  desc "Run Chefstyle tests"
-  RuboCop::RakeTask.new(:style) do |task|
-    task.options += ["--display-cop-names", "--no-color"]
+  require "cookstyle/chefstyle"
+
+  if RbConfig::CONFIG["host_os"] =~ /mswin|mingw|cygwin/
+    # Windows-specific command, rubocop erroneously reports the CRLF in each file which is removed when your PR is uploaeded to GitHub.
+    # This is a workaround to ignore the CRLF from the files before running cookstyle.
+    sh "cookstyle --chefstyle -c .rubocop.yml --except Layout/EndOfLine"
+  else
+    sh "cookstyle --chefstyle -c .rubocop.yml"
   end
 rescue LoadError
-  puts "cookstyle gem is not installed. bundle install first to make sure all dependencies are installed."
+  puts "Rubocop or Cookstyle gems are not installed. bundle install first to make sure all dependencies are installed."
 end
 
 task :console do
diff --git a/mixlib-authentication.gemspec b/mixlib-authentication.gemspec
index a9d4ddd..0c0f052 100644
--- a/mixlib-authentication.gemspec
+++ b/mixlib-authentication.gemspec
@@ -10,8 +10,15 @@ Gem::Specification.new do |s|
   s.author = "Chef Software, Inc."
   s.email = "info@chef.io"
   s.homepage = "https://github.com/chef/mixlib-authentication"
-  s.required_ruby_version = ">= 2.5"
+  s.required_ruby_version = ">= 3.1"
 
   s.files = %w{LICENSE} + Dir.glob("lib/**/*")
   s.require_paths = ["lib"]
+  # logger, ostruct, fiddle, and base64 are part of the stdlib
+  # and are being removed in ruby 3.5 so they must be included in the gemspec
+  s.add_dependency "logger"
+  s.add_dependency "ostruct"
+  s.add_dependency "fiddle", "~> 1.1.6"
+  s.add_dependency "base64"
+  s.add_development_dependency "cookstyle", "~> 8.1"
 end