diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dd02dd7..43c9694 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,16 +1,41 @@
 name: CI
 
-on: [ push ]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
 
 jobs:
-  build-test:
+  test:
     runs-on: ubuntu-latest
 
+    strategy:
+      fail-fast: false
+      matrix:
+        php-version:
+          - "7.4"
+          - "8.0"
+          - "8.1"
+          - "8.2"
+          - "8.3"
+          - "8.4"
+          - "8.5"
+
     steps:
-      - uses: actions/checkout@v5
-      - uses: php-actions/composer@v6
-      - uses: php-actions/phpunit@v4
+      - name: Checkout repository
+        uses: actions/checkout@v7
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
         with:
-          configuration: ./phpunit.xml
-          php_version: 7.4
-          version: 8.5
+          php-version: ${{ matrix.php-version }}
+          coverage: none
+
+      - name: Composer install
+        run: composer install
+
+      - name: PHPUnit
+        run: vendor/bin/phpunit