diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
new file mode 100644
index 0000000..a5dedb7
--- /dev/null
+++ b/.github/workflows/php.yml
@@ -0,0 +1,17 @@
+name: PHP Composer
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+permissions:
+  contents: read
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install dependencies
+      run: composer install --prefer-dist --no-progress
+    - name: Run test suite
+      run: vendor/bin/phpunit