diff --git a/pkgs/os-specific/linux/r8125/default.nix b/pkgs/os-specific/linux/r8125/default.nix
index 4517cb29e75a..1c261355954a 100644
--- a/pkgs/os-specific/linux/r8125/default.nix
+++ b/pkgs/os-specific/linux/r8125/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   pname = "r8125";
   # On update please verify (using `diff -r`) that the source matches the
   # realtek version.
-  version = "9.011.01";
+  version = "9.012.03";
 
   # This is a mirror. The original website[1] doesn't allow non-interactive
   # downloads, instead emailing you a download link.
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     owner = "louistakepillz";
     repo = "r8125";
     rev = version;
-    sha256 = "sha256-QV1DKkWVtqcnuqgAdJnPpj6Z6ch+lw61zpouXKlyfqQ=";
+    sha256 = "sha256-+CrxvKB96QOcOo87McZOt/XUhriTtTV8jTQgpBG3ejs=";
   };
 
   hardeningDisable = [ "pic" ];