diff --git a/pkgs/development/python-modules/ipyparallel/default.nix b/pkgs/development/python-modules/ipyparallel/default.nix
index b527195ad915..1e6ea315aa71 100644
--- a/pkgs/development/python-modules/ipyparallel/default.nix
+++ b/pkgs/development/python-modules/ipyparallel/default.nix
@@ -19,9 +19,9 @@
 buildPythonPackage rec {
   pname = "ipyparallel";
   version = "8.7.0";
-  format = "pyproject";
+  pyproject = true;
 
-  disabled = pythonOlder "3.7";
+  disabled = pythonOlder "3.8";
 
   src = fetchPypi {
     inherit pname version;
@@ -33,14 +33,14 @@ buildPythonPackage rec {
   #
   postPatch = ''
     substituteInPlace pyproject.toml \
-      --replace '"jupyterlab>=3.0.0,==3.*",' ""
+      --replace '"jupyterlab==4.*",' ""
   '';
 
-  nativeBuildInputs = [
+  build-system = [
     hatchling
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     decorator
     entrypoints
     ipykernel