diff --git a/src/Jackett.Common/Definitions/xxxtor.yml b/src/Jackett.Common/Definitions/xxxtor.yml
index 467b7d3d8..ddb67a14c 100644
--- a/src/Jackett.Common/Definitions/xxxtor.yml
+++ b/src/Jackett.Common/Definitions/xxxtor.yml
@@ -5,6 +5,8 @@ description: "xxxtor is a RUSSIAN Public Torrent Tracker for 3X"
 language: ru-RU
 type: public
 encoding: UTF-8
+certificates:
+  - 8fc6357f59e24d16d38f06ed34f780717f4bf0b4  # expired 3 Feb 2025
 links:
   - https://xxxtor.com/
 legacylinks: