diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000..9529e05
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1,2 @@
+# Automatically add our team to each pull request in this repo
+* @github/pages-reviewers
diff --git a/.github/workflows/cibuild.yaml b/.github/workflows/cibuild.yaml
new file mode 100644
index 0000000..bd81017
--- /dev/null
+++ b/.github/workflows/cibuild.yaml
@@ -0,0 +1,17 @@
+on: push
+name: cibuild
+jobs:
+  build:
+    name: Test
+    strategy:
+      matrix:
+        ruby: [2.6, 2.7]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+      - name: script/cibuild
+        run: script/cibuild
diff --git a/.gitignore b/.gitignore
index a9ab0c7..99b312d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 Gemfile.lock
 spec/dest
 .bundle
+vendor/
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index a538dc5..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-language: ruby
-cache: bundler
-rvm:
-  - 2.4
-  - 2.3
-git:
-  depth: 1
-
-sudo: false
-
-addons:
-  apt:
-    sources:
-      - kalakris-cmake
-    packages:
-      - cmake
-
-before_install:
-  - gem install bundler
-
-before_script: bundle update
-script: script/cibuild
diff --git a/README.md b/README.md
index ee2242e..9145f77 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,7 @@
 *GitHub Flavored Markdown converter for Jekyll, based on [`jekyll-commonmark`](https://github.com/jekyll/jekyll-commonmark)*
 
 [![Gem Version](https://img.shields.io/gem/v/jekyll-commonmark-ghpages.svg)](https://rubygems.org/gems/jekyll-commonmark-ghpages)
-[![Build Status](https://img.shields.io/travis/github/jekyll-commonmark-ghpages/master.svg)](https://travis-ci.org/github/jekyll-commonmark-ghpages)
-[![Windows Build status](https://img.shields.io/appveyor/ci/github/jekyll-commonmark-ghpages/master.svg?label=Windows%20build)](https://ci.appveyor.com/project/github/jekyll-commonmark-ghpages)
+[![Build Status](https://github.com/github/jekyll-commonmark-ghpages/actions/workflows/cibuild.yaml/badge.svg)](https://github.com/github/jekyll-commonmark-ghpages/actions/workflows/cibuild.yaml)
 
 Jekyll Markdown converter that uses [libcmark-gfm](https://github.com/github/cmark), GitHub's fork of [cmark](https://github.com/commonmark/cmark), the reference parser for CommonMark, with some additions to ensure compatibility with existing Kramdown-based sites.
 
@@ -30,6 +29,8 @@ To specify extensions and options for use in converting Markdown to HTML, supply
 
 ```yaml
 commonmark:
-  options: ["SMART", "FOOTNOTES"]
+  options: ["UNSAFE", "SMART", "FOOTNOTES"]
   extensions: ["strikethrough", "autolink", "table", "tagfilter"]
 ```
+
+⚠ The `UNSAFE` option is required for HTML rendering.
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index ad534c8..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-version: "{build}"
-clone_depth: 5
-build: off
-
-install:
-  - SET PATH=C:\Ruby%RUBY_FOLDER_VER%\bin;%PATH%
-  - bundle install --retry 5 --jobs=%NUMBER_OF_PROCESSORS% --clean --path vendor\bundle
-
-environment:
-  matrix:
-    - RUBY_FOLDER_VER: "24"
-    - RUBY_FOLDER_VER: "24-x64"
-    - RUBY_FOLDER_VER: "23"
-    - RUBY_FOLDER_VER: "22"
-
-test_script:
-  - ruby --version
-  - gem --version
-  - bundler --version
-  - bash script/cibuild
-
-cache:
-  - 'vendor\bundle -> appveyor.yml,Gemfile,jekyll-commonmark-ghpages.gemspec'
diff --git a/jekyll-commonmark-ghpages.gemspec b/jekyll-commonmark-ghpages.gemspec
index f40c60b..5fe9df0 100644
--- a/jekyll-commonmark-ghpages.gemspec
+++ b/jekyll-commonmark-ghpages.gemspec
@@ -3,9 +3,9 @@
 Gem::Specification.new do |spec|
   spec.name          = "jekyll-commonmark-ghpages"
   spec.summary       = "CommonMark generator for Jekyll"
-  spec.version       = "0.1.6"
-  spec.authors       = ["Ashe Connor"]
-  spec.email         = "kivikakk@github.com"
+  spec.version       = "0.2.0"
+  spec.authors       = ["GitHub, Inc."]
+  spec.email         = "support@github.com"
   spec.homepage      = "https://github.com/github/jekyll-commonmark-ghpages"
   spec.licenses      = ["MIT"]
 
@@ -14,8 +14,9 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_runtime_dependency "jekyll-commonmark", "~> 1.2"
-  spec.add_runtime_dependency "commonmarker", "~> 0.17.6"
+  spec.add_runtime_dependency "jekyll", "~> 3.9.0"
+  spec.add_runtime_dependency "jekyll-commonmark", "~> 1.4.0"
+  spec.add_runtime_dependency "commonmarker", "~> 0.23.4"
   spec.add_runtime_dependency "rouge", ">= 2.0", "< 4.0"
 
   spec.add_development_dependency "rspec", "~> 3.0"
diff --git a/script/cibuild b/script/cibuild
index 45d681a..c785b3f 100755
--- a/script/cibuild
+++ b/script/cibuild
@@ -1,3 +1,13 @@
 #!/bin/bash
 
+# Update gems
+gem update --system 3.2.3
+
+# Install bundler
+gem install bundler
+
+# Install dependencies
+bundle install
+
+# Run tests
 bundle exec rspec
diff --git a/spec/test_spec.rb b/spec/test_spec.rb
index 2391876..52892e1 100644
--- a/spec/test_spec.rb
+++ b/spec/test_spec.rb
@@ -21,7 +21,7 @@
   let(:converter) { Jekyll::Converters::Markdown::CommonMarkGhPages.new(config) }
   let(:config) {
     {"commonmark" => {
-      "options" => ["SMART", "FOOTNOTES"],
+      "options" => ["UNSAFE", "SMART", "FOOTNOTES"],
       "extensions" => ["tagfilter"],
     }}
   }
@@ -32,7 +32,7 @@
 
 describe Jekyll::Renderer do
   it "should not re-process markdown in a liquid tag" do
-    site = Jekyll::Site.new(Jekyll.configuration("markdown" => "CommonMarkGhPages"))
+    site = Jekyll::Site.new(Jekyll.configuration("markdown" => "CommonMarkGhPages", "commonmark" => { "options" => ["UNSAFE"] }))
     collection = Jekyll::Collection.new(site, "pages")
     document = Jekyll::Document.new("hello.md", site: site, collection: collection)
     document.content = "**Hi**\n" \