diff --git a/composer.json b/composer.json
index 5113d79..e773247 100644
--- a/composer.json
+++ b/composer.json
@@ -31,6 +31,7 @@
     "require-dev": {
         "ibexa/code-style": "~2.0.0",
         "ibexa/doctrine-schema": "~6.0.x-dev",
+        "ibexa/phpstan": "~6.0.x-dev",
         "ibexa/rector": "~6.0.x-dev",
         "mikey179/vfsstream": "^1.6",
         "phpstan/phpstan": "^2.0",
diff --git a/phpstan.neon b/phpstan.neon
index cf9e462..737a18b 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -2,6 +2,7 @@ includes:
     - phpstan-baseline.neon
     - vendor/phpstan/phpstan-phpunit/extension.neon
     - vendor/phpstan/phpstan-symfony/extension.neon
+    - vendor/ibexa/phpstan/extension.neon
 
 parameters:
     level: 8