diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
new file mode 100644
index 0000000..e161bdd
--- /dev/null
+++ b/.github/workflows/macos.yml
@@ -0,0 +1,15 @@
+name: macos
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: macos-latest
+    steps:
+    - uses: actions/checkout@master
+    - name: Install dependencies
+      run: |
+        gem install bundler --no-document
+        bundle install
+    - name: Run test
+      run: rake
diff --git a/.github/workflows/ubuntu-rvm.yml b/.github/workflows/ubuntu-rvm.yml
new file mode 100644
index 0000000..b27cfd4
--- /dev/null
+++ b/.github/workflows/ubuntu-rvm.yml
@@ -0,0 +1,29 @@
+name: ubuntu-rvm
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby: [ 'jruby-9.2.6.0', 'jruby-9.1.17.0', 'ruby-head' ]
+    steps:
+    - uses: actions/checkout@master
+    - name: Set up RVM
+      run: |
+        curl -sSL https://get.rvm.io | bash
+    - name: Set up Ruby
+      run: |
+        source $HOME/.rvm/scripts/rvm
+        rvm install ${{ matrix.ruby }} --binary
+        rvm --default use ${{ matrix.ruby }}
+    - name: Install dependencies
+      run: |
+        source $HOME/.rvm/scripts/rvm
+        gem install bundler --no-document
+        bundle install
+    - name: Run test
+      run: |
+        source $HOME/.rvm/scripts/rvm
+        rake
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
new file mode 100644
index 0000000..6f08a83
--- /dev/null
+++ b/.github/workflows/ubuntu.yml
@@ -0,0 +1,22 @@
+name: ubuntu
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby: [ '2.6.x', '2.5.x', '2.4.x', '2.3.x' ]
+    steps:
+    - uses: actions/checkout@master
+    - name: Set up Ruby
+      uses: actions/setup-ruby@v1
+      with:
+        version: ${{ matrix.ruby }}
+    - name: Install dependencies
+      run: |
+        gem install bundler --no-document
+        bundle install
+    - name: Run test
+      run: rake
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
new file mode 100644
index 0000000..fd22991
--- /dev/null
+++ b/.github/workflows/windows.yml
@@ -0,0 +1,22 @@
+name: windows
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        ruby: [ '2.6.x', '2.5.x', '2.4.x' ]
+    steps:
+    - uses: actions/checkout@master
+    - name: Set up Ruby
+      uses: actions/setup-ruby@v1
+      with:
+        version: ${{ matrix.ruby }}
+    - name: Set up Bundler
+      run: gem install bundler --no-document
+    - name: Install dependencies
+      run: bundle install
+    - name: Run test
+      run: rake
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index a7b4916..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,6 +0,0 @@
-sudo: false
-language: ruby
-rvm:
-  - 2.5.1
-  - ruby-head
-before_install: gem install bundler -v 1.16.2
diff --git a/forwardable.gemspec b/forwardable.gemspec
index d722bc1..2a3e637 100644
--- a/forwardable.gemspec
+++ b/forwardable.gemspec
@@ -1,8 +1,8 @@
 begin
-  require_relative "lib/forwardable"
+  require_relative "lib/forwardable/version"
 rescue LoadError
   # for Ruby core repository
-  require_relative "../forwardable"
+  require_relative "version"
 end
 
 Gem::Specification.new do |spec|
@@ -16,7 +16,7 @@ Gem::Specification.new do |spec|
   spec.homepage      = "https://github.com/ruby/forwardable"
   spec.license       = "BSD-2-Clause"
 
-  spec.files         = [".gitignore", ".travis.yml", "Gemfile", "LICENSE.txt", "README.md", "Rakefile", "bin/console", "bin/setup", "forwardable.gemspec", "lib/forwardable.rb", "lib/forwardable/impl.rb"]
+  spec.files         = ["forwardable.gemspec", "lib/forwardable.rb", "lib/forwardable/impl.rb", "lib/forwardable/version.rb"]
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
diff --git a/lib/forwardable.rb b/lib/forwardable.rb
index f5202f9..449c344 100644
--- a/lib/forwardable.rb
+++ b/lib/forwardable.rb
@@ -110,10 +110,7 @@
 #
 module Forwardable
   require 'forwardable/impl'
-
-  # Version of +forwardable.rb+
-  VERSION = "1.2.0"
-  FORWARDABLE_VERSION = VERSION
+  require "forwardable/version"
 
   @debug = nil
   class << self
diff --git a/lib/forwardable/version.rb b/lib/forwardable/version.rb
new file mode 100644
index 0000000..b0b67a8
--- /dev/null
+++ b/lib/forwardable/version.rb
@@ -0,0 +1,5 @@
+module Forwardable
+  # Version of +forwardable.rb+
+  VERSION = "1.2.0"
+  FORWARDABLE_VERSION = VERSION
+end