diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 404599f..c28e433 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,7 +38,4 @@ jobs:
       - run: composer config secure-http false && composer config repo.packagist composer http://packagist.org && composer config preferred-install source
         if: ${{ matrix.php < 5.5 && matrix.os == 'windows-2022' }} # legacy PHP on Windows is allowed to use insecure downloads until it will be removed again
       - run: composer install
-      - run: vendor/bin/phpunit --coverage-text
-        if: ${{ matrix.php >= 7.3 }}
-      - run: vendor/bin/phpunit --coverage-text -c phpunit.xml.legacy
-        if: ${{ matrix.php < 7.3 }}
+      - run: vendor/bin/phpunit --coverage-text ${{ matrix.php < 7.3 && '-c phpunit.xml.legacy' || '' }}
diff --git a/composer.json b/composer.json
index 3130295..6860ddb 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
         "ext-sockets": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.6 || ^5.7 || ^4.8.36"
+        "phpunit/phpunit": "^9.6 || ^8.5 || ^5.7 || ^4.8.36"
     },
     "autoload": {
         "psr-4": {