diff --git a/src/Processors/ProcessorInterface.php b/src/Processors/ProcessorInterface.php
index e8e96ee8..67e8e820 100644
--- a/src/Processors/ProcessorInterface.php
+++ b/src/Processors/ProcessorInterface.php
@@ -6,6 +6,9 @@
 
 namespace OpenApi\Processors;
 
+/**
+ * @deprecated
+ */
 interface ProcessorInterface
 {
 }