diff --git a/pkgs/os-specific/linux/kernel/zen-kernels.nix b/pkgs/os-specific/linux/kernel/zen-kernels.nix
index 26b6bbbba9ef..e338b5ab91e7 100644
--- a/pkgs/os-specific/linux/kernel/zen-kernels.nix
+++ b/pkgs/os-specific/linux/kernel/zen-kernels.nix
@@ -4,9 +4,9 @@ let
   # comments with variant added for update script
   # ./update-zen.py zen
   zenVariant = {
-    version = "6.6.2"; #zen
+    version = "6.6.3"; #zen
     suffix = "zen1"; #zen
-    sha256 = "0l97szqyr2i5kfl38hz1bnyd51s3zk4vf4c4xc860gy2fcxaprkl"; #zen
+    sha256 = "0hjn4qq8dppa0cn4rx7n98cxvzhkbn30hlm3bgcv97fwyvglsdwc"; #zen
     isLqx = false;
   };
   # ./update-zen.py lqx