diff --git a/src/Jackett.Common/Definitions/hdcity.yml b/src/Jackett.Common/Definitions/hdcity.yml
index 605326940..d8b075b4e 100644
--- a/src/Jackett.Common/Definitions/hdcity.yml
+++ b/src/Jackett.Common/Definitions/hdcity.yml
@@ -5,6 +5,8 @@ description: "HDCity is a SPANISH site for HD content"
 language: es-ES
 type: private
 encoding: ISO-8859-1
+certificates:
+  - a10f2f7a863cd3fba9663185b0943cde01698451 # expired  ‎25 ‎October ‎2021
 links:
   - https://hdcity.li/