diff --git a/public/openapi/read/topic/topic_id.yaml b/public/openapi/read/topic/topic_id.yaml
index 366ff32675..3c04bf5b08 100644
--- a/public/openapi/read/topic/topic_id.yaml
+++ b/public/openapi/read/topic/topic_id.yaml
@@ -184,6 +184,8 @@ get:
                           type: boolean
                         downvoted:
                           type: boolean
+                        attachments:
+                          type: array
                         replies:
                           type: object
                           properties: