diff --git a/pkgs/games/mudlet/default.nix b/pkgs/games/mudlet/default.nix
index 70beede3d01f..f8638aaff306 100644
--- a/pkgs/games/mudlet/default.nix
+++ b/pkgs/games/mudlet/default.nix
@@ -58,21 +58,21 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "mudlet";
-  version = "4.17.2";
+  version = "4.19.1";
 
   src = fetchFromGitHub {
     owner = "Mudlet";
     repo = "Mudlet";
     rev = "Mudlet-${version}";
     fetchSubmodules = true;
-    hash = "sha256-K75frptePKfHeGQNXaX4lKsLwO6Rs6AAka6hvP8MA+k=";
+    hash = "sha256-I4RRIfHw9kZwxMlc9pvdtwPpq9EvNJU69WpGgZ+0uiw=";
   };
 
   patches = [
     (fetchpatch {
-      name = "darwin-AppKit.patch";
-      url = "https://github.com/Mudlet/Mudlet/commit/68cdd404f81a6d16c80068c45fe0f10802f08d9e.patch";
-      hash = "sha256-74FtcjOR/lu9ohtcoup0+gUfCQRznO48zMmb97INhdY=";
+      name = "cmake4-fix.patch";
+      url = "https://github.com/Mudlet/Mudlet/commit/933f2551fe3084f0fad6d8b971c6176fe154d8d7.patch?full_index=1";
+      hash = "sha256-MElSRhTaT1a5r/Pz3e7MTrzq0krjdspgW0woAB2C8jc=";
     })
   ];
 
@@ -176,6 +176,7 @@ stdenv.mkDerivation rec {
       felixalbrigtsen
     ];
     platforms = platforms.linux ++ platforms.darwin;
+    broken = stdenv.hostPlatform.isDarwin;
     license = licenses.gpl2Plus;
     mainProgram = "mudlet";
   };