diff --git a/python-ipykernel.spec b/python-ipykernel.spec
index 4da3aff..5da1e43 100644
--- a/python-ipykernel.spec
+++ b/python-ipykernel.spec
@@ -1,6 +1,6 @@
 Name:          python-ipykernel
 Version:       6.0.0
-Release:       1mamba
+Release:       2mamba
 Summary:       The IPython kernel for Jupyter
 Group:         System/Libraries
 Vendor:        openmamba
@@ -18,10 +18,6 @@ BuildRequires: python3.7dist(jupyter-client)
 BuildRequires: python3.7dist(tornado)
 BuildRequires: python3.7dist(traitlets)
 ## AUTOBUILDREQ-END
-BuildRequires: libpython3-devel
-BuildRequires: python-jupyter_client-py3
-BuildRequires: python-pyzmq-py3
-Requires:      python >= %python_version
 
 %description
 %{summary}.
@@ -35,6 +31,7 @@ Requires:     python-pyzmq%{?pyappend:-%pyappend}
 
 %prep
 %setup -q -n ipykernel-%{version}
+sed -i "s|importlib-metadata<4|importlib-metadata|" setup.py
 
 %build
 CFLAGS="%{optflags}" %{__python} setup.py build
@@ -56,6 +53,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python_sitearch}/ipykernel-%{version}-py*.egg-info/*
 
 %changelog
+* Sun Nov 28 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 6.0.0-2mamba
+- remove versioned requirement for importlib-metadata<4
+
 * Wed Jun 30 2021 Automatic Build System <autodist@mambasoft.it> 6.0.0-1mamba
 - automatic version update by autodist