diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8600f7e3f..1037d8f86 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -90,7 +90,7 @@ unit_tests:
         - php -d memory_limit=2G tests/app/bin/console cache:clear --env=dev
         - php -d memory_limit=3G tests/app/bin/console doctrine:fixtures:load -n
         - php -d memory_limit=2G tests/app/bin/console cache:clear --env=test
-        - php -d memory_limit=3G bin/phpunit --colors=never
+        - php -d memory_limit=4G bin/phpunit --colors=never
     artifacts:
         expire_in: 30 min
         paths:
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 80367c691..208c915ae 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -2,10 +2,11 @@
 
 <!-- https://phpunit.readthedocs.io/en/latest/configuration.html -->
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
+         xsi:noNamespaceSchemaLocation="tests/app/vendor/phpunit/phpunit/phpunit.xsd"
          backupGlobals="false"
          colors="true"
          bootstrap="tests/app/tests/bootstrap.php"
+         stopOnFailure="true"
 >
     <php>
         <ini name="error_reporting" value="-1" />