diff --git a/python-metakernel.spec b/python-metakernel.spec
index c8f7a91..2f988f8 100644
--- a/python-metakernel.spec
+++ b/python-metakernel.spec
@@ -1,5 +1,5 @@
 Name:          python-metakernel
-Version:       0.27.5
+Version:       0.28.1
 Release:       1mamba
 Summary:       A Jupyter kernel base class in Python which includes core magic functions
 Group:         System/Libraries
@@ -11,8 +11,9 @@ Source:        https://pypi.debian.net/metakernel/metakernel-%{version}.tar.gz
 License:       BSD
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: libpython3-devel
-BuildRequires: python-ipykernel-py3
-BuildRequires: python-pexpect-py3
+BuildRequires: python3.7dist(ipykernel)
+BuildRequires: python3.7dist(jupyter-core)
+BuildRequires: python3.7dist(pexpect)
 ## AUTOBUILDREQ-END
 
 %description
@@ -45,5 +46,8 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python_sitearch}/metakernel-%{version}-py*.egg-info/*
 
 %changelog
+* Thu Nov 25 2021 Automatic Build System <autodist@mambasoft.it> 0.28.1-1mamba
+- automatic version update by autodist
+
 * Sat Apr 03 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.27.5-1mamba
 - package created using the webbuild interface