diff --git a/SUPPORT.md b/SUPPORT.md
index 559aa812ad..67be5a5783 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -11,8 +11,8 @@ for the definitions of the support status levels etc.
 
     Xen-Version: 4.20
     Initial-Release: 2025-03-05
-    Supported-Until: 2026-09-05
-    Security-Support-Until: 2028-03-05
+    Supported-Until: 2028-03-05
+    Security-Support-Until: 2030-03-05
 
 Release Notes
 : <a href="https://wiki.xenproject.org/wiki/Xen_Project_4.20_Release_Notes">RN</a>