diff --git a/pkgs/development/python-modules/nengo/default.nix b/pkgs/development/python-modules/nengo/default.nix
index 144568fd080e..2d65b48c8122 100644
--- a/pkgs/development/python-modules/nengo/default.nix
+++ b/pkgs/development/python-modules/nengo/default.nix
@@ -10,21 +10,21 @@
   scikit-learn,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "nengo";
-  version = "4.0.0";
+  version = "4.1.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "nengo";
     repo = "nengo";
-    tag = "v${version}";
-    sha256 = "sha256-b9mPjKdewIqIeRrddV1/M3bghSyox7Lz6VbfSLCHZjA=";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-yZDnttXU5qMmQwFESkhQb06BXcqPEiPYl54azS5b284=";
   };
 
-  nativeBuildInputs = [ setuptools ];
+  build-system = [ setuptools ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     numpy
   ]
   ++ lib.optionals scipySupport [ scipy ]
@@ -41,7 +41,7 @@ buildPythonPackage rec {
   meta = {
     description = "Python library for creating and simulating large-scale brain models";
     homepage = "https://nengo.ai/";
-    license = lib.licenses.unfreeRedistributable;
+    license = lib.licenses.gpl2Only;
     maintainers = [ ];
   };
-}
+})