diff --git a/src/Jackett.Common/Definitions/world-of-tomorrow.yml b/src/Jackett.Common/Definitions/world-of-tomorrow.yml
index a6da442df..50c0d68f7 100644
--- a/src/Jackett.Common/Definitions/world-of-tomorrow.yml
+++ b/src/Jackett.Common/Definitions/world-of-tomorrow.yml
@@ -5,6 +5,8 @@ description: "World-of-Tomorrow is a Private German tracker"
 language: de-DE
 type: private
 encoding: ISO-8859-1
+certificates:
+  - 824f6e356ee0189eb9517a90c695b7ac8508495c # expired 26 December 2022
 links:
   - https://world-of-tomorrow.eu/