diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
new file mode 100644
index 0000000..9b52b7b
--- /dev/null
+++ b/.github/workflows/php.yml
@@ -0,0 +1,35 @@
+name: PHP Composer
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Validate composer.json and composer.lock
+        run: composer validate --strict
+
+      - name: Cache Composer packages
+        id: composer-cache
+        uses: actions/cache@v3
+        with:
+          path: vendor
+          key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-php-
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+
+      - name: Run test suite
+        run: composer run-script test
diff --git a/composer.json b/composer.json
index 1e36adf..b729e20 100644
--- a/composer.json
+++ b/composer.json
@@ -14,8 +14,11 @@
     "php": ">=5.3",
     "doctrine/lexer": "^1.0"
   },
+  "scripts": {
+    "test": "vendor/bin/phpunit"
+  },
   "require-dev": {
-    "phpunit/phpunit": ">=4.8.35",
+    "phpunit/phpunit": "^4.8.35",
     "doctrine/collections": "^1.0",
     "doctrine/orm": "^2.4.0"
   },