diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index be12f40b..0478493a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -76,11 +76,11 @@ jobs:
       - run: composer update
 
       - name: Run PHPUnit
-        run: php tests/phpunit/phpunit.php -c extensions/Maps
+        run: composer phpunit -- -c extensions/Maps
 
       - name: Run PHPUnit with code coverage
         run: |
-          php tests/phpunit/phpunit.php -c extensions/Maps --coverage-clover coverage.xml
+          composer phpunit -- -c extensions/Maps --coverage-clover coverage.xml
           bash <(curl -s https://codecov.io/bash)