diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..f291db2
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,23 @@
+name: Test
+on: [push, pull_request]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby:
+          - '2.3'
+          - '2.4'
+          - '2.5'
+          - '2.6'
+          - '2.7'
+          - '3.0'
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+      - name: Run tests
+        run: bundle exec rake
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 0af306e..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-sudo: false
-language: ruby
-script: script/test
-before_install:
-  - bundle --version 2>/dev/null | grep -q '1.7.6' && gem install bundler -v 1.11.2 || true
-rvm:
-  - "1.8.7"
-  - "1.9.3"
-  - "2.0"
-  - "2.1"
-  - "2.2"
-  - "2.3"
-  - "2.4"
diff --git a/Gemfile b/Gemfile
index 31caac8..098a82f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,6 @@ source "https://rubygems.org"
 
 gem "rake"
 gem "rake-compiler"
-gem "test-unit", "~> 2.0.4"
+gem "test-unit", "~> 3.3.9"
 
 gemspec
diff --git a/Gemfile.lock b/Gemfile.lock
index 2db5981..477a0a0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,10 +6,12 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    rake (10.4.2)
-    rake-compiler (0.9.5)
+    power_assert (2.0.1)
+    rake (13.0.6)
+    rake-compiler (1.1.1)
       rake
-    test-unit (2.0.9)
+    test-unit (3.3.9)
+      power_assert
 
 PLATFORMS
   ruby
@@ -17,8 +19,8 @@ PLATFORMS
 DEPENDENCIES
   rake
   rake-compiler
-  test-unit (~> 2.0.4)
+  test-unit (~> 3.3.9)
   version_sorter!
 
 BUNDLED WITH
-   1.16.1
+   2.2.29