diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index c1ca0ec1..4021dbc6 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -11,6 +11,7 @@
     <php>
         <env name="KERNEL_CLASS" value="Trikoder\Bundle\OAuth2Bundle\Tests\TestKernel" />
         <env name="SHELL_VERBOSITY" value="-1" />
+        <env name="SYMFONY_DEPRECATIONS_HELPER" value="weak_vendors" />
     </php>
 
     <testsuites>