diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7f528bd..4897e2a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -43,4 +43,4 @@ jobs:
           composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction
 
       - name: Execute tests
-        run: vendor/bin/phpunit --testdox
+        run: vendor/bin/phpunit src/test/php --testdox