diff --git a/include/neu_adapter.h b/include/neu_adapter.h
index 1eed5e4d..017b7af6 100644
--- a/include/neu_adapter.h
+++ b/include/neu_adapter.h
@@ -360,6 +360,7 @@ typedef enum neu_event_type {
     NEU_EVENT_ADD_TAGS,
     NEU_EVENT_UPDATE_TAGS,
     NEU_EVENT_DEL_TAGS,
+    NEU_EVENT_UPDATE_LICENSE,
 } neu_event_type_e;
 
 typedef struct neu_event_notify {