diff --git a/pkgs/development/python-modules/pyuv/default.nix b/pkgs/development/python-modules/pyuv/default.nix
index e32c6d1b3cf4..00073be609f0 100644
--- a/pkgs/development/python-modules/pyuv/default.nix
+++ b/pkgs/development/python-modules/pyuv/default.nix
@@ -3,13 +3,14 @@
   buildPythonPackage,
   fetchFromGitHub,
   fetchpatch,
+  setuptools,
   libuv,
 }:
 
 buildPythonPackage rec {
   pname = "pyuv";
   version = "1.4.0";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "saghul";
@@ -31,6 +32,8 @@ buildPythonPackage rec {
     })
   ];
 
+  build-system = [ setuptools ];
+
   setupPyBuildFlags = [ "--use-system-libuv" ];
 
   buildInputs = [ libuv ];