diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index d9d720f6..653f9f79 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -8,7 +8,7 @@ includes:
     - vendor/phpstan/phpstan-phpunit/extension.neon
     - vendor/phpstan/phpstan-phpunit/rules.neon
 
-    #- vendor/phpstan/phpstan-deprecation-rules/rules.neon
+    - vendor/phpstan/phpstan-deprecation-rules/rules.neon
 
 parameters:
     level: 6
diff --git a/src/Service/ModListUpdateService/ModListUpdateService.php b/src/Service/ModListUpdateService/ModListUpdateService.php
index ca0f0e58..376113ca 100644
--- a/src/Service/ModListUpdateService/ModListUpdateService.php
+++ b/src/Service/ModListUpdateService/ModListUpdateService.php
@@ -8,7 +8,7 @@
 use App\Entity\ModList\ModList;
 use App\Entity\User\User;
 use Doctrine\ORM\EntityManagerInterface;
-use Symfony\Component\Security\Core\Security;
+use Symfony\Bundle\SecurityBundle\Security;
 
 class ModListUpdateService implements ModListUpdateServiceInterface
 {