diff --git a/.github/workflows/testing-and-cs.yaml b/.github/workflows/testing-and-cs.yaml
index ab25fcd..ce38724 100644
--- a/.github/workflows/testing-and-cs.yaml
+++ b/.github/workflows/testing-and-cs.yaml
@@ -36,7 +36,7 @@ jobs:
           tools: composer:${{ matrix.composer }}
       - run: composer require "symfony/finder:${{ matrix.symfony }}" "symfony/filesystem:${{ matrix.symfony }}"
       - run: composer install
-      - run: vendor/bin/phpunit tests
+      - run: vendor/bin/phpunit
   PHPUnit-Symfony56:
     name: PHPUnit testing
     runs-on: ubuntu-latest
@@ -56,7 +56,7 @@ jobs:
           tools: composer:${{ matrix.composer }}
       - run: composer require "symfony/finder:${{ matrix.symfony }}" "symfony/filesystem:${{ matrix.symfony }}"
       - run: composer install
-      - run: vendor/bin/phpunit tests
+      - run: vendor/bin/phpunit
 
   BuildDone:
     name: PHP full build
diff --git a/phpunit.xml b/phpunit.xml
index 7d0097b..442b87b 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -3,7 +3,7 @@
          xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
          bootstrap="vendor/autoload.php"
          failOnRisky="true"
-         failOnWarning="false">
+         failOnWarning="true">
     <testsuites>
         <testsuite name="default">
             <directory>tests</directory>