diff --git a/source/.well-known/security.txt b/source/.well-known/security.txt
index 4ee6a8d5adf..119363c642b 100644
--- a/source/.well-known/security.txt
+++ b/source/.well-known/security.txt
@@ -2,3 +2,4 @@ Contact: mailto:security@home-assistant.io
 Preferred-Languages: en
 Canonical: https://www.home-assistant.io/.well-known/security.txt
 Policy: https://www.home-assistant.io/security/
+Expires: 2032-12-31T22:59:00.000Z