diff --git a/pkgs/os-specific/linux/rtl8821cu/default.nix b/pkgs/os-specific/linux/rtl8821cu/default.nix
index 8e8bbf421bff..63c649cdbd50 100644
--- a/pkgs/os-specific/linux/rtl8821cu/default.nix
+++ b/pkgs/os-specific/linux/rtl8821cu/default.nix
@@ -9,13 +9,13 @@
 
 stdenv.mkDerivation {
   pname = "rtl8821cu";
-  version = "${kernel.version}-unstable-2025-05-08";
+  version = "${kernel.version}-unstable-2025-10-09";
 
   src = fetchFromGitHub {
     owner = "morrownr";
     repo = "8821cu-20210916";
-    rev = "d74134a1c68f59f2b80cdd6c6afb8c1a8a687cbf";
-    hash = "sha256-ExT7ONQeejFoMwUUXKua7wMnRi+3IYayLmlWIEWteK4=";
+    rev = "3d1fcf4bc838542ceb03b0b4e9e40600720cf6ae";
+    hash = "sha256-N22f4TOPyGIROcmkiUtPgOASVEbbSqsyOKMZTQpqjLs=";
   };
 
   hardeningDisable = [ "pic" ];