diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
new file mode 100644
index 0000000..3c53b42
--- /dev/null
+++ b/.github/workflows/php.yml
@@ -0,0 +1,39 @@
+name: PHP Composer
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-22.04
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - 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
+
+    # Add a test script to composer.json, for instance: "test": "vendor/bin/phpunit"
+    # Docs: https://getcomposer.org/doc/articles/scripts.md
+
+    # - name: Run test suite
+    #   run: composer run-script test
diff --git a/composer.json b/composer.json
index e568600..0d10c96 100644
--- a/composer.json
+++ b/composer.json
@@ -7,5 +7,5 @@
         "jwilsson/spotify-web-api-php": "^6.0",
         "league/oauth2-client": "^2.7"
     },
-    "license": "GPL-3.0"
+    "license": "GPL-3.0-or-later"
 }