diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 388809080..3216b6ffb 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -16,6 +16,7 @@
     <php>
         <ini name="error_reporting" value="-1" />
         <server name="KERNEL_DIR" value="app/" />
+        <env name="SYMFONY_DEPRECATIONS_HELPER" value="weak" />
     </php>
 
     <filter>