diff --git a/python-ipykernel.spec b/python-ipykernel.spec
index bda04af..921879c 100644
--- a/python-ipykernel.spec
+++ b/python-ipykernel.spec
@@ -1,6 +1,6 @@
 %define pkgname %(echo %name | cut -d- -f2- | tr - _)
 Name:          python-ipykernel
-Version:       6.20.2
+Version:       6.21.3
 Release:       1mamba
 Summary:       The IPython kernel for Jupyter
 Group:         System/Libraries
@@ -11,11 +11,13 @@ URL:           https://pypi.org/project/ipykernel/
 Source:        https://pypi.debian.net/ipykernel/ipykernel-%{version}.tar.gz
 License:       BSD
 ## AUTOBUILDREQ-BEGIN
+BuildRequires: (python3.7dist(jupyter-core) < 5 or python3.7dist(jupyter-core) > 5.1)
 BuildRequires: libpython3-devel
 BuildRequires: python3.7dist(comm)
 BuildRequires: python3.7dist(debugpy)
 BuildRequires: python3.7dist(ipython)
 BuildRequires: python3.7dist(jupyter-client)
+BuildRequires: python3.7dist(jupyter-core)
 BuildRequires: python3.7dist(matplotlib-inline)
 BuildRequires: python3.7dist(nest-asyncio)
 BuildRequires: python3.7dist(packaging)
@@ -66,6 +68,18 @@ CFLAGS="%{optflags}" %{__python} -m build --no-isolation --wheel
 %{_datadir}/jupyter/kernels/python3/logo-svg.svg
 
 %changelog
+* Mon Mar 06 2023 Automatic Build System <autodist@mambasoft.it> 6.21.3-1mamba
+- automatic version update by autodist
+
+* Tue Feb 14 2023 Automatic Build System <autodist@mambasoft.it> 6.21.2-1mamba
+- automatic version update by autodist
+
+* Fri Feb 03 2023 Automatic Build System <autodist@mambasoft.it> 6.21.1-1mamba
+- automatic version update by autodist
+
+* Tue Jan 31 2023 Automatic Build System <autodist@mambasoft.it> 6.21.0-1mamba
+- automatic version update by autodist
+
 * Tue Jan 17 2023 Automatic Build System <autodist@mambasoft.it> 6.20.2-1mamba
 - automatic version update by autodist