diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..b9667d1
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,27 @@
+name: Tests
+on:
+  push:
+    branches: [master]
+  pull_request:
+jobs:
+  test:
+    name: PHP ${{ matrix.php }}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php: ['7.4', '8.0']
+    steps:
+      - uses: actions/checkout@v2
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+      - uses: actions/cache@v2
+        with:
+          path: ~/.composer/cache/files
+          key: ${{ runner.os }}-php${{ matrix.php }}-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-php${{ matrix.php }}-
+      - run: |
+          echo "::add-matcher::${{ runner.tool_cache }}/php.json"
+          echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"
+      - run: composer update --prefer-dist --no-interaction --no-progress
+      - run: vendor/bin/phpunit --testdox --colors=always