1 files changed, 6 insertions, 1 deletions
diff --git a/pkgs/development/python-modules/aspell-python/default.nix b/pkgs/development/python-modules/aspell-python/default.nix
index 1af34b43fc291..1f66b49869e04 100644
--- a/pkgs/development/python-modules/aspell-python/default.nix
+++ b/pkgs/development/python-modules/aspell-python/default.nix
@@ -6,12 +6,13 @@
 , isPy27
 , pytestCheckHook
 , pythonAtLeast
+, setuptools
 }:
 
 buildPythonPackage rec {
   pname = "aspell-python";
   version = "1.15";
-  format = "setuptools";
+  pyproject = true;
 
   disabled = isPy27;
 
@@ -22,6 +23,10 @@ buildPythonPackage rec {
     hash = "sha256-IEKRDmQY5fOH9bQk0dkUAy7UzpBOoZW4cNtVvLMcs40=";
   };
 
+  build-system = [
+    setuptools
+  ];
+
   buildInputs = [
     aspell
   ];