diff --git a/pkgs/by-name/lp/lpcnetfreedv/darwin.patch b/pkgs/by-name/lp/lpcnetfreedv/darwin.patch
new file mode 100644
index 000000000000..a82ac9b330d5
--- /dev/null
+++ b/pkgs/by-name/lp/lpcnetfreedv/darwin.patch
@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 1600871..1536c55 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -158,7 +158,7 @@ elseif(${SSE} AND (${SSE_PRESENT} OR ${SSE_PRESENT} GREATER 0))
+ # AVX and AVX2 machines will also match on SSE
+     message(STATUS "sse processor flags found or enabled.")
+     set(LPCNET_C_PROC_FLAGS -msse4.1)
+-elseif(${NEON} AND (${NEON_PRESENT} OR ${NEON_PRESENT} GREATER 0))
++elseif(${NEON} AND (${NEON_PRESENT} OR ${NEON_PRESENT} GREATER 0) AND NOT APPLE)
+     # RPi / ARM 32bit
+     message(STATUS "neon processor flags found or enabled.")
+     set(LPCNET_C_PROC_FLAGS -mfpu=neon -march=armv8-a -mtune=cortex-a53)
diff --git a/pkgs/by-name/lp/lpcnetfreedv/package.nix b/pkgs/by-name/lp/lpcnetfreedv/package.nix
index ea1815a5731e..bfc773ad47cd 100644
--- a/pkgs/by-name/lp/lpcnetfreedv/package.nix
+++ b/pkgs/by-name/lp/lpcnetfreedv/package.nix
@@ -4,6 +4,7 @@
   fetchFromGitHub,
   fetchurl,
   cmake,
+  nix-update-script,
 }:
 
 let
@@ -13,29 +14,38 @@ let
     sha256 = "sha256-UJRAkkdR/dh/+qVoPuPd3ZN69cgzuRBMzOZdUWFJJsg=";
   };
 in
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   pname = "lpcnetfreedv";
-  version = "unstable-2022-08-22";
+  version = "0.5-unstable-2025-01-19";
 
   src = fetchFromGitHub {
     owner = "drowe67";
     repo = "LPCNet";
-    rev = "67a6eb74d0c07faddcdce199856862cc45779d25";
-    sha256 = "sha256-eHYZoDgoZBuuLvQn9X7H/zmK5onOAniOgY1/8RVn8gk=";
+    rev = "c8e51ac5e2fe674849cb53e7da44689b572cc246";
+    sha256 = "sha256-0Knoym+deTuFAyJrrD55MijVh6DlhJp3lss66BJUHiA=";
   };
 
   nativeBuildInputs = [ cmake ];
 
+  patches = [
+    # extracted from https://github.com/drowe67/LPCNet/pull/59
+    ./darwin.patch
+  ];
+
   postPatch = ''
     mkdir build
     ln -s ${data} build/lpcnet_${dataVersion}.tgz
   '';
 
-  meta = with lib; {
+  passthru.updateScript = nix-update-script {
+    extraArgs = [ "--version=branch" ];
+  };
+
+  meta = {
     homepage = "https://freedv.org/";
     description = "Experimental Neural Net speech coding for FreeDV";
-    license = licenses.bsd3;
-    maintainers = with maintainers; [ mvs ];
-    platforms = platforms.all;
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ mvs ];
+    platforms = lib.platforms.all;
   };
 }