diff --git a/pkgs/development/python-modules/quantiphy-eval/default.nix b/pkgs/development/python-modules/quantiphy-eval/default.nix
index 68eba2e9462..92e1f94c1ad 100644
--- a/pkgs/development/python-modules/quantiphy-eval/default.nix
+++ b/pkgs/development/python-modules/quantiphy-eval/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
+, flit-core
 , inform
 , pythonOlder
 , sly
@@ -9,7 +10,7 @@
 buildPythonPackage rec {
   pname = "quantiphy-eval";
   version = "0.5";
-  format = "flit";
+  format = "pyproject";
 
   disabled = pythonOlder "3.6";
 
@@ -20,6 +21,10 @@ buildPythonPackage rec {
     hash = "sha256-7VHcuINhe17lRNkHUnZkVOEtD6mVWk5gu0NbrLZwprg=";
   };
 
+  nativeBuildInputs = [
+    flit-core
+  ];
+
   propagatedBuildInputs = [
     inform
     sly