diff --git a/pkgs/by-name/al/alsa-firmware/package.nix b/pkgs/by-name/al/alsa-firmware/package.nix
index 97b2244c8a65..f9b04d0c0a5d 100644
--- a/pkgs/by-name/al/alsa-firmware/package.nix
+++ b/pkgs/by-name/al/alsa-firmware/package.nix
@@ -5,6 +5,7 @@
   autoreconfHook,
   fetchurl,
   fetchpatch,
+  directoryListingUpdater,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -47,6 +48,10 @@ stdenv.mkDerivation (finalAttrs: {
     rm -rf $out/bin
   '';
 
+  passthru.updateScript = directoryListingUpdater {
+    url = "https://alsa-project.org/files/pub/firmware/";
+  };
+
   meta = {
     homepage = "http://www.alsa-project.org/";
     description = "Soundcard firmwares from the alsa project";