diff --git a/pkgs/development/python-modules/pyasn1/default.nix b/pkgs/development/python-modules/pyasn1/default.nix
index 5ea3623980be..d4fb73d50998 100644
--- a/pkgs/development/python-modules/pyasn1/default.nix
+++ b/pkgs/development/python-modules/pyasn1/default.nix
@@ -2,12 +2,13 @@
 , buildPythonPackage
 , fetchPypi
 , pythonOlder
+, setuptools
 }:
 
 buildPythonPackage rec {
   pname = "pyasn1";
   version = "0.5.1";
-  format = "setuptools";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
@@ -16,6 +17,10 @@ buildPythonPackage rec {
     hash = "sha256-bTkaluWbIxMKXPp01v1/OI274mzI8e3zn93fCNnWZ2w=";
   };
 
+  nativeBuildInputs = [
+    setuptools
+  ];
+
   pythonImportsCheck = [
     "pyasn1"
   ];