diff --git a/Changes b/Changes
index 581675283..6267ae543 100644
--- a/Changes
+++ b/Changes
@@ -3,6 +3,7 @@ Revision history for perl distribution Convos
 6.47 2021-12-28T12:32:00+0900
  - Add more rules for potentially evil svg files
    Contributor: KhanhCM
+   Reference: https://huntr.dev/bounties/142c3dcc-a882-4799-949b-520be0a4d144
 
 6.46 2021-12-28T11:27:00+0900
  - Using WHOIS instead of ISON to check if a user is online #360
@@ -44,6 +45,7 @@ Revision history for perl distribution Convos
  - Add clear search button #631
  - Add CSRF-check to /logout #632
    Contributors: Devendra Bhatla and Jamie Slome
+   Reference: https://huntr.dev/bounties/77559ff3-0494-4186-b6e9-c4146bedc0df
 
 6.39 2021-11-27T08:50:00+0900
  - Add file management to frontend #426