diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 34e1a3f..e7cf233 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,10 +43,7 @@ jobs:
       - run: composer install
       - run: docker run -d --name mysql --net=host -e MYSQL_RANDOM_ROOT_PASSWORD=yes -e MYSQL_DATABASE=test -e MYSQL_USER=test -e MYSQL_PASSWORD=test ${{ matrix.rdbms }}
       - run: bash tests/wait-for-mysql.sh
-      - 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' || '' }}
 
   PHPUnit-hhvm:
     name: PHPUnit (HHVM)
diff --git a/composer.json b/composer.json
index 1b72d00..ace992a 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
         "react/socket": "^1.16"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.6 || ^5.7 || ^4.8.36",
+        "phpunit/phpunit": "^9.6 || ^8.5 || ^5.7 || ^4.8.36",
         "react/async": "^4.3 || ^3 || ^2"
     },
     "autoload": {