diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
new file mode 100644
index 0000000..0c43a67
--- /dev/null
+++ b/.github/workflows/ruby.yml
@@ -0,0 +1,27 @@
+name: Ruby
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby-version: ["3.0", "3.1", "3.2", "3.3"]
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+      - name: Run tests
+        run: bundle exec rake
diff --git a/sluggi.gemspec b/sluggi.gemspec
index 9b36d8c..305e978 100644
--- a/sluggi.gemspec
+++ b/sluggi.gemspec
@@ -15,12 +15,13 @@ Gem::Specification.new do |spec|
   spec.files         = Dir["lib/**/*.rb", "README.md", "LICENSE.txt"]
   spec.require_paths = ["lib"]
 
-  spec.required_ruby_version = ">= 2.3.0"
+  spec.required_ruby_version = ">= 3.0.0"
 
-  spec.add_dependency "activerecord", "~> 5.1"
-  spec.add_dependency "railties", "~> 5.1"
+  spec.add_dependency "activerecord", "~> 6.0"
+  spec.add_dependency "railties", "~> 6.0"
 
   spec.add_development_dependency "appraisal", "~> 2.0"
-  spec.add_development_dependency "rake", "~> 12.0"
+  spec.add_development_dependency "minitest", "~> 5.22"
+  spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "sqlite3", "~> 1.3"
 end
diff --git a/test/history_test.rb b/test/history_test.rb
index 9c4c8d2..29395ff 100644
--- a/test/history_test.rb
+++ b/test/history_test.rb
@@ -44,7 +44,7 @@ class BigDog < Dog
 class LittleDog < Dog
 end
 
-class HistoryTest < MiniTest::Spec
+class HistoryTest < Minitest::Spec
   before do
     Cat.delete_all
     Sluggi::Slug.delete_all
diff --git a/test/model_test.rb b/test/model_test.rb
index 3934855..6b5499d 100644
--- a/test/model_test.rb
+++ b/test/model_test.rb
@@ -2,7 +2,7 @@
 
 require "test_helper"
 
-class ModelTest < MiniTest::Spec
+class ModelTest < Minitest::Spec
   class IncompleteCat < ActiveRecord::Base
     self.table_name = "cats"
     include Sluggi::Model
diff --git a/test/slug_test.rb b/test/slug_test.rb
index 99c78db..36b655d 100644
--- a/test/slug_test.rb
+++ b/test/slug_test.rb
@@ -3,7 +3,7 @@
 require "test_helper"
 
 module Sluggi
-  class SlugTest < MiniTest::Spec
+  class SlugTest < Minitest::Spec
     describe "validation" do
       it "is not valid" do
         slug = Slug.new
diff --git a/test/slugged_test.rb b/test/slugged_test.rb
index 31b9883..97b7d7c 100644
--- a/test/slugged_test.rb
+++ b/test/slugged_test.rb
@@ -2,7 +2,7 @@
 
 require "test_helper"
 
-class SluggedTest < MiniTest::Spec
+class SluggedTest < Minitest::Spec
   class Cat < ActiveRecord::Base
     include Sluggi::Slugged
 
diff --git a/test/validate_presence_test.rb b/test/validate_presence_test.rb
index b5ca83b..158af91 100644
--- a/test/validate_presence_test.rb
+++ b/test/validate_presence_test.rb
@@ -2,7 +2,7 @@
 
 require "test_helper"
 
-class ValidatePresenceTest < MiniTest::Spec
+class ValidatePresenceTest < Minitest::Spec
   class Cat < ActiveRecord::Base
     include Sluggi::ValidatePresence
   end
diff --git a/test/validate_uniqueness_test.rb b/test/validate_uniqueness_test.rb
index c1fc8ad..a840710 100644
--- a/test/validate_uniqueness_test.rb
+++ b/test/validate_uniqueness_test.rb
@@ -2,7 +2,7 @@
 
 require "test_helper"
 
-class ValidateUniquenessTest < MiniTest::Spec
+class ValidateUniquenessTest < Minitest::Spec
   class Cat < ActiveRecord::Base
     include Sluggi::Model
     include Sluggi::ValidateUniqueness
diff --git a/test/validates_exclusion_of_test.rb b/test/validates_exclusion_of_test.rb
index 9c5042f..5efc69a 100644
--- a/test/validates_exclusion_of_test.rb
+++ b/test/validates_exclusion_of_test.rb
@@ -2,7 +2,7 @@
 
 require "test_helper"
 
-class ValidatesExclusionOfTest < MiniTest::Spec
+class ValidatesExclusionOfTest < Minitest::Spec
   class Cat < ActiveRecord::Base
     include Sluggi::ValidateExclusionOf
   end