diff --git a/pkgs/os-specific/linux/rtl8821au/default.nix b/pkgs/os-specific/linux/rtl8821au/default.nix
index 9cb28d5dc8dc..ca63c5c6a8df 100644
--- a/pkgs/os-specific/linux/rtl8821au/default.nix
+++ b/pkgs/os-specific/linux/rtl8821au/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "rtl8821au-${kernel.version}-${version}";
-  version = "5.1.5";
+  version = "5.1.5+41";
 
   src = fetchFromGitHub {
     owner = "zebulon2";
     repo = "rtl8812au";
-    rev = "61d0cd95afc01eae64da0c446515803910de1a00";
-    sha256 = "0dlzyiaa3hmb2qj3lik52px88n4mgrx7nblbm4s0hn36g19ylssw";
+    rev = "ecd3494c327c54110d21346ca335ef9e351cb0be";
+    sha256 = "1kmdxgbh0s0v9809kdsi39p0jbm5cf10ivy40h8qj9hn70g1gw8q";
   };
 
   nativeBuildInputs = [ bc ];