diff --git a/Neos.ContentRepository.Core/Classes/Projection/ProjectionFactoryInterface.php b/Neos.ContentRepository.Core/Classes/Projection/ProjectionFactoryInterface.php
index e1609e6e6be..6c0de0992d5 100644
--- a/Neos.ContentRepository.Core/Classes/Projection/ProjectionFactoryInterface.php
+++ b/Neos.ContentRepository.Core/Classes/Projection/ProjectionFactoryInterface.php
@@ -7,7 +7,7 @@
 use Neos\ContentRepository\Core\Factory\ProjectionFactoryDependencies;
 
 /**
- * @template T of ProjectionInterface
+ * @template-covariant T of ProjectionInterface
  * @api
  */
 interface ProjectionFactoryInterface