diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..b9613ea
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,52 @@
+name: Continuous Integration
+
+on:
+  push:
+    branches:
+      - master
+      - main
+      - "*-stable"
+  pull_request:
+    branches:
+      - master
+      - main
+      - "*-stable"
+
+jobs:
+  ci:
+    name: "Run Tests (${{ matrix.label }})"
+    runs-on: "ubuntu-latest"
+    env:
+      # See https://github.com/marketplace/actions/setup-ruby-jruby-and-truffleruby#matrix-of-gemfiles
+      BUNDLE_GEMFILE: ${{ matrix.gemfile }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - label: Ruby 2.7
+            ruby_version: "2.7"
+            gemfile: Gemfile
+          - label: Ruby 3.0
+            ruby_version: "3.0"
+            gemfile: Gemfile
+          - label: Ruby 3.1
+            ruby_version: "3.1"
+            gemfile: Gemfile
+          - label: JRuby 9.3.4.0
+            ruby_version: "jruby-9.3.4.0"
+            gemfile: Gemfile-jruby
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+      - name: "Set up ${{ matrix.label }}"
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby_version }}
+          bundler-cache: true
+      - name: Run Minitest based tests
+        run: script/test
+    services:
+      redis:
+        image: redis
+        ports:
+          - 6379:6379
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index c07c469..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,33 +0,0 @@
-language: ruby
-cache: bundler
-rvm:
-  - 2.4
-  - 2.6
-  - jruby-9.2.5.0
-gemfile:
-  - Gemfile
-  - Gemfile-jruby
-
-matrix:
-  exclude:
-    - rvm: jruby-9.2.5.0
-      gemfile: Gemfile
-    - rvm: 2.4
-      gemfile: Gemfile-jruby
-    - rvm: 2.6
-      gemfile: Gemfile-jruby
-
-notifications:
-  irc:
-    on_success: change
-    on_failure: change
-    channels:
-    - irc.freenode.org#jekyll
-    template:
-    - '%{repository}#%{build_number} %{message} %{build_url}'
-  email:
-    on_success: never
-    on_failure: change
-
-services:
-  - redis-server
diff --git a/classifier-reborn-jruby.gemspec b/classifier-reborn-jruby.gemspec
index 5e69a42..22c921c 100644
--- a/classifier-reborn-jruby.gemspec
+++ b/classifier-reborn-jruby.gemspec
@@ -28,6 +28,7 @@ Gem::Specification.new do |s|
   s.extra_rdoc_files = %w[README.markdown LICENSE]
 
   s.add_runtime_dependency('jruby-stemmer-other', '~> 0.0.2')
+  s.add_runtime_dependency('matrix', '~> 0.4')
 
   s.add_development_dependency('minitest')
   s.add_development_dependency('minitest-reporters')
diff --git a/classifier-reborn.gemspec b/classifier-reborn.gemspec
index 1db93fd..7b10ee3 100644
--- a/classifier-reborn.gemspec
+++ b/classifier-reborn.gemspec
@@ -27,6 +27,7 @@ Gem::Specification.new do |s|
   s.extra_rdoc_files = %w[README.markdown LICENSE]
 
   s.add_runtime_dependency('fast-stemmer', '~> 1.0')
+  s.add_runtime_dependency('matrix', '~> 0.4')
 
   s.add_development_dependency('minitest')
   s.add_development_dependency('minitest-reporters')