diff --git a/pkgs/development/python-modules/ipyparallel/default.nix b/pkgs/development/python-modules/ipyparallel/default.nix
index 7227eb183c2f..f8fca7e4ac93 100644
--- a/pkgs/development/python-modules/ipyparallel/default.nix
+++ b/pkgs/development/python-modules/ipyparallel/default.nix
@@ -19,14 +19,14 @@
 
 buildPythonPackage rec {
   pname = "ipyparallel";
-  version = "9.0.0";
+  version = "9.0.1";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-cGAcuvmhadNQ/+IsgtW73+bf5MTfAoNtmZDpxVm1vLY=";
+    hash = "sha256-LlksrSIAxalPu/9jm/825uyRIvNLNrL8a01njZ6Y8pw=";
   };
 
   # We do not need the jupyterlab build dependency, because we do not need to