diff --git a/pkgs/development/python-modules/pyleri/default.nix b/pkgs/development/python-modules/pyleri/default.nix
index 64f33f21805e..2ff3abf5978d 100644
--- a/pkgs/development/python-modules/pyleri/default.nix
+++ b/pkgs/development/python-modules/pyleri/default.nix
@@ -3,12 +3,13 @@
 , fetchFromGitHub
 , pythonOlder
 , unittestCheckHook
+, setuptools
 }:
 
 buildPythonPackage rec {
   pname = "pyleri";
   version = "1.4.3";
-  format = "setuptools";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
@@ -19,6 +20,10 @@ buildPythonPackage rec {
     hash = "sha256-4t+6wtYzJbmL0TB/OXr89uZ2s8DeGlUdWwHd4YPsCW0=";
   };
 
+  build-system = [
+    setuptools
+  ];
+
   nativeCheckInputs = [
     unittestCheckHook
   ];