diff --git a/pkgs/os-specific/linux/musl/default.nix b/pkgs/os-specific/linux/musl/default.nix
index f19c7ea7a44b..fb0d19115da3 100644
--- a/pkgs/os-specific/linux/musl/default.nix
+++ b/pkgs/os-specific/linux/musl/default.nix
@@ -40,11 +40,11 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "musl";
-  version = "1.2.2";
+  version = "1.2.3";
 
   src = fetchurl {
     url    = "https://musl.libc.org/releases/${pname}-${version}.tar.gz";
-    sha256 = "1p8r6bac64y98ln0wzmnixysckq3crca69ys7p16sy9d04i975lv";
+    sha256 = "sha256-fVsLYGJSHkYn4JnkydyCSNMqMChelZt+7Kp4DPjP1KQ=";
   };
 
   enableParallelBuilding = true;