diff --git a/python-jupyter-polymake.spec b/python-jupyter-polymake.spec
index 5ef8043..9bb4e68 100644
--- a/python-jupyter-polymake.spec
+++ b/python-jupyter-polymake.spec
@@ -8,7 +8,7 @@
 
 Name:           python-%{srcname}
 Version:        0.16
-Release:        12.%{gitdate}.%{shortcommit}%{?dist}
+Release:        13.%{gitdate}.%{shortcommit}%{?dist}
 Summary:        Jupyter kernel for polymake
 
 License:        WTFPL
@@ -67,6 +67,9 @@ rmdir %{buildroot}%{python3_sitelib}/jupyter_kernel_polymake/resources
 %{python3_sitelib}/jupyter_kernel_polymake*
 
 %changelog
+* Tue May 26 2020 Miro Hrončok <mhroncok@redhat.com> - 0.16-13.20180129.7049940
+- Rebuilt for Python 3.9
+
 * Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.16-12.20180129.7049940
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild