diff --git a/src/Jackett.Common/Definitions/arenabg.yml b/src/Jackett.Common/Definitions/arenabg.yml
index 0b2962920..85d19f017 100644
--- a/src/Jackett.Common/Definitions/arenabg.yml
+++ b/src/Jackett.Common/Definitions/arenabg.yml
@@ -5,6 +5,8 @@ description: "ArenaBG is a BULGARIAN Semi-Private Torrent Tracker for 0DAY / GEN
 language: bg-BG
 type: semi-private
 encoding: UTF-8
+certificates:
+  - d5d96eaf33f4b7470a7009f1e591a45f6af0430d # expired 15 Oct 2022
 links:
   - https://arenabg.com/
 legacylinks: