diff --git a/security.txt b/security.txt
index f023f0db436..9c694bbd34f 100644
--- a/security.txt
+++ b/security.txt
@@ -3,4 +3,4 @@ Acknowledgments: https://moodle.org/security/
 Preferred-Languages: en
 Canonical: https://moodle.org/.well-known/security.txt
 Policy: https://docs.moodle.org/dev/Moodle_security_procedures
-Expires: Mon, 30 May 2022 01:00:00 +0000
+Expires: 2022-12-05T01:00:00.000Z