diff --git a/.github/workflows/phpunit-tests.yml b/.github/workflows/phpunit-tests.yml
index 917d69cf1..b6eb7979a 100644
--- a/.github/workflows/phpunit-tests.yml
+++ b/.github/workflows/phpunit-tests.yml
@@ -10,11 +10,24 @@ jobs:
     build:
 
         runs-on: ubuntu-latest
+        strategy:
+            matrix:
+                php-versions: [ '5.6', '7.0', '7.1', '7.2', '7.3' ]
 
+        name: PHPUnit test on ${{ matrix.php-versions }}
         steps:
             - name: Checkout
               uses: actions/checkout@v2
 
+            - name: Setup PHP
+                uses: shivammathur/setup-php@v1
+                with:
+                    php-version: ${{ matrix.php-versions }}
+                    extension-csv: mbstring, intl
+                    ini-values-csv: post_max_size=256M, short_open_tag=On
+                    coverage: xdebug
+                    pecl: false
+
             - name: Validate composer.json and composer.lock
               run: composer validate