diff --git a/packages/uefi.nix b/packages/uefi.nix
index 10bd361..441e446 100644
--- a/packages/uefi.nix
+++ b/packages/uefi.nix
@@ -1,3 +1,5 @@
+# https://support.lenovo.com/us/en/downloads/ds556845-bios-update-utility-bootable-cd-for-windows-11-thinkpad-x13s-gen-1-type-21bx-21by
+
 {
   stdenv,
   fetchurl,
@@ -6,11 +8,11 @@
 
 stdenv.mkDerivation {
   name = "uefi";
-  version = "1.60";
+  version = "1.61";
 
   src = fetchurl {
-    url = "https://download.lenovo.com/pccbbs/mobiles/n3huj19w.exe";
-    hash = "sha256-ZSjkvbMb0e9CoL2OYo3Aioyz3or1YkOX/BdOOeAuL7I=";
+    url = "https://download.lenovo.com/pccbbs/mobiles/n3huj20w.exe";
+    hash = "sha256-A3l/ZfIbFcvFX+bMWYgpW+1kkYPu5MQkuTCgszhaoIY=";
   };
 
   nativeBuildInputs = [ innoextract ];