diff --git a/src/Oro/Component/Config/Common/ConfigObject.php b/src/Oro/Component/Config/Common/ConfigObject.php
index 492f61f53cd..85bcfa4015d 100644
--- a/src/Oro/Component/Config/Common/ConfigObject.php
+++ b/src/Oro/Component/Config/Common/ConfigObject.php
@@ -326,4 +326,12 @@ public function validateConfiguration(ConfigurationInterface $configuration)
 
         return $this;
     }
+
+    /**
+     * @return array<int, string>
+     */
+    public function __sleep(): array
+    {
+        return ['params'];
+    }
 }