diff --git a/validation_schemas/alexa_smart_home_message_schema.json b/validation_schemas/alexa_smart_home_message_schema.json
index 45d0a47..c55a803 100644
--- a/validation_schemas/alexa_smart_home_message_schema.json
+++ b/validation_schemas/alexa_smart_home_message_schema.json
@@ -12434,6 +12434,7 @@
                                                         "SCENE_TRIGGER",
                                                         "SCREEN",
                                                         "SECURITY_PANEL",
+                                                        "SECURITY_SYSTEM",
                                                         "SMARTLOCK",
                                                         "SMARTPLUG",
                                                         "SPEAKER",
@@ -12766,4 +12767,4 @@
             }
         }
     ]
-}
\ No newline at end of file
+}