diff --git a/lib/trivial.nix b/lib/trivial.nix
index 2364002668a9..2dc8516d8ed1 100644
--- a/lib/trivial.nix
+++ b/lib/trivial.nix
@@ -409,7 +409,7 @@ in
   */
   oldestSupportedRelease =
     # Update on master only. Do not backport.
-    2411;
+    2505;
 
   /**
     Whether a feature is supported in all supported releases (at the time of