diff --git a/pkgs/by-name/mo/monitorcontrol/package.nix b/pkgs/by-name/mo/monitorcontrol/package.nix
index 92932d8e059a..197dba9c9389 100644
--- a/pkgs/by-name/mo/monitorcontrol/package.nix
+++ b/pkgs/by-name/mo/monitorcontrol/package.nix
@@ -2,7 +2,7 @@
   lib,
   fetchurl,
   stdenv,
-  _7zz,
+  undmg,
 }:
 
 # This cannot be built from source due to the problematic nature of XCode - so
@@ -10,18 +10,23 @@
 
 stdenv.mkDerivation rec {
   pname = "MonitorControl";
-  version = "4.2.0";
+  version = "4.3.3";
 
   src = fetchurl {
     url = "https://github.com/MonitorControl/${pname}/releases/download/v${version}/MonitorControl.${version}.dmg";
-    sha256 = "Q96uK6wVe1D2uLvWL+pFR6LcmrU7cgmr2Y5tPvvTDgI=";
+    hash = "sha256-myx3adoU3FYYrs6LFRSiXtwSsoaujjQ/PYgAF/Xuk2g=";
   };
 
-  # MonitorControl.${version}.dmg is APFS formatted, unpack with 7zz
-  nativeBuildInputs = [ _7zz ];
+  nativeBuildInputs = [ undmg ];
 
   sourceRoot = "MonitorControl.app";
 
+  unpackCmd = ''
+    runHook preUnpack
+    undmg $src
+    runHook postUnpack
+  '';
+
   installPhase = ''
     mkdir -p "$out/Applications/MonitorControl.app"
     cp -R . "$out/Applications/MonitorControl.app"