diff --git a/pkgs/applications/audio/ledfx/default.nix b/pkgs/applications/audio/ledfx/default.nix
index 0e9494e76c72..54563b207f05 100644
--- a/pkgs/applications/audio/ledfx/default.nix
+++ b/pkgs/applications/audio/ledfx/default.nix
@@ -6,7 +6,7 @@
 python3.pkgs.buildPythonPackage rec {
   pname = "ledfx";
   version = "2.0.80";
-  format = "setuptools";
+  pyproject= true;
 
   src = fetchPypi {
     inherit pname version;
@@ -20,6 +20,10 @@ python3.pkgs.buildPythonPackage rec {
       --replace "~=" ">="
   '';
 
+  nativeBuildInputs = with python3.pkgs; [
+    poetry-core
+  ];
+
   propagatedBuildInputs = with python3.pkgs; [
     aiohttp
     aiohttp-cors