diff --git a/Rakefile b/Rakefile
index d6c11948..065105ec 100644
--- a/Rakefile
+++ b/Rakefile
@@ -27,6 +27,7 @@ def run_command(command, opts={})
       begin
         Bundler.unbundled_system(command)
       rescue Exception => e
+        puts e
         puts e.backtrace
       end
       puts
@@ -240,14 +241,15 @@ def create_pull_request(project_name, branch, custom_pr_comment, base=BASE_BRANC
   )
 end
 
-namespace :travis do
+namespace :ci do
   ReadFile = Struct.new(:file_name, :contents, :mode)
 
-  def update_travis_files_in_repos(opts={})
-    update_files_in_repos('travis build scripts', '', opts) do |name|
-      around_update_travis_build do
-        travis_files_with_comments.each do |file|
+  def update_ci_files_in_repos(opts={})
+    update_files_in_repos('ci build scripts', '', opts) do |name|
+      around_update_ci_build do
+        ci_files_with_comments.each do |file|
           full_file_name = ReposPath.join(name, file.file_name)
+          ensure_directory_exists(File.dirname(full_file_name))
           full_file_name.write(file.contents)
           full_file_name.chmod(file.mode) # ensure executables are set
         end
@@ -257,9 +259,12 @@ namespace :travis do
     end
   end
 
-  def travis_files_with_comments
-    travis_root = BaseRspecPath.join('travis')
-    file_names = Pathname.glob(travis_root.join('**', '{*,.*}')).select do |f|
+  def ci_files_with_comments
+    ci_root = BaseRspecPath.join('ci')
+    file_names = Pathname.glob(ci_root.join('**', '{*,.*}')).select do |f|
+      f.file?
+    end
+    file_names += Pathname.glob(ci_root.join('.github', '**', '{*,.*}')).select do |f|
       f.file?
     end
 
@@ -278,13 +283,18 @@ namespace :travis do
       end
 
       ReadFile.new(
-        file.relative_path_from(travis_root),
+        file.relative_path_from(ci_root),
         lines.join,
         file.stat.mode
       )
     end
   end
 
+  def ensure_directory_exists(dirname)
+    return if Dir.exist?(dirname)
+    Dir.mkdir(dirname)
+  end
+
   def update_maintenance_branch
     File.write("./maintenance-branch", BASE_BRANCH) unless File.exist?('./maintenance-branch')
   end
@@ -293,22 +303,24 @@ namespace :travis do
     sh script_file if File.exist?(script_file)
   end
 
-  def around_update_travis_build
+  def around_update_ci_build
     run_if_exists './script/before_update_travis_build.sh'
+    run_if_exists './script/before_update_build.sh'
     yield if block_given?
   ensure
+    run_if_exists './script/after_update_build.sh'
     run_if_exists './script/after_update_travis_build.sh'
   end
 
-  desc "Update travis build files"
+  desc "Update build files"
   task :update_files do
-    update_travis_files_in_repos
+    update_ci_files_in_repos
   end
 
-  desc "Updates the travis files and creates a PR"
+  desc "Updates the CI files and creates a PR"
   task :create_pr_with_updates, :custom_pr_comment do |t, args|
     opts = { except: %w[ rspec-rails ] }
-    force_update(update_travis_files_in_repos(opts), args[:custom_pr_comment], opts)
+    force_update(update_ci_files_in_repos(opts), args[:custom_pr_comment], opts)
   end
 end
 
diff --git a/ci/.github/workflows/ci.yml b/ci/.github/workflows/ci.yml
new file mode 100644
index 00000000..530be01e
--- /dev/null
+++ b/ci/.github/workflows/ci.yml
@@ -0,0 +1,35 @@
+name: RSpec CI
+on: [pull_request, push]
+jobs:
+  test:
+    name: Ruby ${{ matrix.ruby }}
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        ruby:
+          - 3.0.0-preview1
+          - 2.7
+          - 2.6
+          - 2.5
+          - 2.4
+          - 2.3
+          - 2.2
+          - 2.1.9
+          - ruby-head
+      fail-fast: false
+    continue-on-error: ${{ matrix.ruby == 'jruby-9.2.13.0' || endsWith(matrix.ruby, 'head') }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ruby/setup-ruby@v1
+        with:
+          bundler: ${{ (matrix.ruby == 'jruby-9.1.17.0' && 1) || 2 }}
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+      - uses: actions/cache@v2
+        with:
+          path: ../bundle
+          key: ${{ runner.os }}-${{ matrix.ruby }}
+      - run: script/update_rubygems_and_install_bundler
+      - run: script/clone_all_rspec_repos
+      - run: bundle install --binstubs --standalone
+      - run: script/run_build
diff --git a/travis/.rubocop_rspec_base.yml b/ci/.rubocop_rspec_base.yml
similarity index 100%
rename from travis/.rubocop_rspec_base.yml
rename to ci/.rubocop_rspec_base.yml
diff --git a/travis/.travis.yml b/ci/.travis.yml
similarity index 89%
rename from travis/.travis.yml
rename to ci/.travis.yml
index 79b3d785..9e647cb6 100644
--- a/travis/.travis.yml
+++ b/ci/.travis.yml
@@ -16,15 +16,6 @@ rvm:
   - 1.9.2
   - 1.9.3
   - 2.0.0
-  - 2.1
-  - 2.2.10
-  - 2.3.8
-  - 2.4.10
-  - 2.5.8
-  - 2.6.6
-  - 2.7.1
-  - ruby-3.0.0-preview1
-  - ruby-head
   - ree
   - rbx-3
   - jruby-9.1.7.0 # pin JRuby to this until travis/rvm can install later versions
@@ -49,3 +40,4 @@ branches:
   only:
     - main
     - /^\d+-\d+-maintenance$/
+    - /^\d+-\d+-dev$/
diff --git a/travis/appveyor.yml b/ci/appveyor.yml
similarity index 100%
rename from travis/appveyor.yml
rename to ci/appveyor.yml
diff --git a/travis/script/travis_functions.sh b/ci/script/ci_functions.sh
similarity index 100%
rename from travis/script/travis_functions.sh
rename to ci/script/ci_functions.sh
diff --git a/travis/script/clone_all_rspec_repos b/ci/script/clone_all_rspec_repos
similarity index 100%
rename from travis/script/clone_all_rspec_repos
rename to ci/script/clone_all_rspec_repos
diff --git a/travis/script/functions.sh b/ci/script/functions.sh
similarity index 99%
rename from travis/script/functions.sh
rename to ci/script/functions.sh
index 746462d0..4f876b0f 100644
--- a/travis/script/functions.sh
+++ b/ci/script/functions.sh
@@ -1,5 +1,5 @@
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-source $SCRIPT_DIR/travis_functions.sh
+source $SCRIPT_DIR/ci_functions.sh
 source $SCRIPT_DIR/predicate_functions.sh
 
 # If JRUBY_OPTS isn't set, use these.
diff --git a/travis/script/predicate_functions.sh b/ci/script/predicate_functions.sh
similarity index 100%
rename from travis/script/predicate_functions.sh
rename to ci/script/predicate_functions.sh
diff --git a/travis/script/run_build b/ci/script/run_build
similarity index 100%
rename from travis/script/run_build
rename to ci/script/run_build
diff --git a/travis/script/update_rubygems_and_install_bundler b/ci/script/update_rubygems_and_install_bundler
similarity index 100%
rename from travis/script/update_rubygems_and_install_bundler
rename to ci/script/update_rubygems_and_install_bundler