diff --git a/pkgs/os-specific/linux/alsa-ucm-conf/default.nix b/pkgs/os-specific/linux/alsa-ucm-conf/default.nix
index 685ba3e2c3e..2a9f28c855a 100644
--- a/pkgs/os-specific/linux/alsa-ucm-conf/default.nix
+++ b/pkgs/os-specific/linux/alsa-ucm-conf/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "alsa-ucm-conf-${version}";
-  version = "1.2.2";
+  version = "1.2.3";
 
   src = fetchurl {
     url = "mirror://alsa/lib/${name}.tar.bz2";
-    sha256 = "0364fgzdm2qrsqvgqri25gzscbma7yqlv31wz8b1z9c5phlxkgvy";
+    sha256 = "000db5yla7dljidjbbwbiaxvc1a7wh1zpw694gipaymj9fh4vhhv";
   };
 
   dontBuild = true;