diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 00000000..4c392ba7
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,59 @@
+name: Tests
+
+on: [push, pull_request, workflow_dispatch]
+
+permissions:
+  contents: read # to fetch code (actions/checkout)
+
+jobs:
+  mri:
+    name: >-
+      ${{ matrix.os }} ${{ matrix.ruby }}
+
+    runs-on: ${{ matrix.os }}
+    if: |
+      !(   contains(github.event.pull_request.title, '[ci skip]')
+        || contains(github.event.pull_request.title, '[skip ci]'))
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-20.04, ubuntu-22.04, macos-12, macos-13, windows-2022 ]
+        ruby: [ 2.4, 2.5, 2.6, 2.7, '3.0', 3.1, 3.2, 3.3, head ]
+        include:
+          - { os: windows-2022 , ruby: ucrt  }
+          - { os: windows-2022 , ruby: mswin }
+        exclude:
+          - { os: ubuntu-22.04 , ruby: 2.4   }
+          - { os: ubuntu-22.04 , ruby: 2.5   }
+          - { os: ubuntu-22.04 , ruby: 2.6   }
+          - { os: ubuntu-22.04 , ruby: 2.7   }
+          - { os: ubuntu-22.04 , ruby: 3.0   }
+          - { os: macos-12     , ruby: 2.5   }
+          - { os: macos-12     , ruby: 2.7   }
+          - { os: macos-12     , ruby: 3.1   }
+          - { os: macos-13     , ruby: 2.4   }
+          - { os: macos-13     , ruby: 2.6   }
+          - { os: macos-13     , ruby: '3.0' }
+          - { os: windows-2022 , ruby: head  }
+
+    steps:
+      - name: repo checkout
+        uses: actions/checkout@v4
+
+      - name: load ruby
+        uses: ruby/setup-ruby-pkgs@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          apt-get: ragel
+          brew: ragel
+          rubygems: latest
+          bundler-cache: true # `bundle install` and cache
+        timeout-minutes: 10
+
+      - name: compile
+        run:  bundle exec rake compile
+        timeout-minutes: 3
+
+      - name: test
+        timeout-minutes: 6
+        run: bundle exec rake test
diff --git a/Gemfile b/Gemfile
index 44de1ac5..e0b20384 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,4 @@
 source 'https://rubygems.org'
 gemspec
 
-group :compilation do
-  gem 'rvm', '~> 1.11.3.9'
-  gem 'rake-compiler', '~> 0.7.1'
-end
+gem 'rake-compiler', '~> 0.7.1'
diff --git a/tasks/ragel_extension_task.rb b/tasks/ragel_extension_task.rb
index 6bdc333b..c02fda17 100644
--- a/tasks/ragel_extension_task.rb
+++ b/tasks/ragel_extension_task.rb
@@ -31,7 +31,7 @@ def define_ragel_tasks
         file target(machine) => [*ragel_sources(machine)] do
           mkdir_p(File.dirname(target(machine))) unless File.directory?(File.dirname(target(machine)))
           ensure_ragel_version
-          sh "ragel #{flags} #{lang_ragel(machine)} -o #{target(machine)}"
+          sh "ragel #{flags} #{lang_ragel(machine)} -I ragel -o #{target(machine)}"
         end
         
         file extconf => [target(machine)] if lang == 'c'
diff --git a/tasks/rvm.rake b/tasks/rvm.rake
deleted file mode 100644
index a7f6c986..00000000
--- a/tasks/rvm.rake
+++ /dev/null
@@ -1,81 +0,0 @@
-require 'rvm'
-
-namespace :rvm do
-  
-  RVM_RUBIES = ['ruby-1.8.6-p398', 'ruby-1.9.1-p243', 'ruby-1.9.2-p136', 'ruby-2.2.3p173']
-  RVM_GEMSET_NAME = 'redcloth'
-  
-  task :setup do
-    unless @rvm_setup
-      rvm_lib_path = "#{`echo $rvm_path`.strip}/lib"
-      #$LOAD_PATH.unshift(rvm_lib_path) unless $LOAD_PATH.include?(rvm_lib_path)
-      require 'rvm'
-      require 'tmpdir'
-      @rvm_setup = true
-    end
-  end
-  
-  desc "Runs specs under each rvm ruby"
-  task :spec => :setup do
-    puts rvm_rubies.join(',')
-    rvm_each_rubie do
-      # Make sure all dependencies are installed but ignore Gemfile.lock. It 
-      # gets confused when locked to java and running ruby and vice-versa.
-      STDERR << RVM.run('bundle update').stderr 
-            
-      result = RVM.run("rake test")
-      STDOUT << result.stdout
-      STDERR << result.stderr
-    end
-  end
-  
-  desc "Show rubies"
-  task :rubies => :setup do
-    puts rvm_rubies.join(",")
-  end
-  
-  namespace :install do
-    task :rubies => :setup do
-      installed_rubies = RVM.list_strings
-      RVM_RUBIES.each do |rubie|
-        if installed_rubies.include?(rubie)
-          puts "info: Rubie #{rubie} already installed."
-        else
-          good_msg = "info: Rubie #{rubie} installed."
-          bad_msg = "Failed #{rubie} install! Check RVM logs here: #{RVM.path}/log/#{rubie}"
-          puts "info: Rubie #{rubie} installation inprogress. This could take awhile..."
-          if RVM.install(rubie,{})
-            puts(good_msg)
-            RVM.use(rubie)
-            RVM.perform_set_operation(:gem, 'install', 'bundler')
-            RVM.reset_current!
-          else
-            abort(bad_msg)
-          end
-        end
-      end
-    end
-  end
-
-  task :remove => :setup do
-    rvm_rubies.each { |rubie| RVM.remove(rubie) }
-  end
-end
-
-
-# RVM Helper Methods
-
-def rvm_each_rubie
-  rvm_rubies.each do |rubie|
-    RVM.use(rubie)
-    puts "Using #{rubie}"
-    yield
-  end
-ensure
-  RVM.reset_current!
-end
-
-def rvm_rubies(options={})
-  RVM_RUBIES.map{ |rubie| "#{rubie}@#{RVM_GEMSET_NAME}" }
-end
-