diff --git a/python-py.spec b/python-py.spec
index cdbc767..21754f7 100644
--- a/python-py.spec
+++ b/python-py.spec
@@ -16,7 +16,7 @@
 
 Name:           python-%{srcname}
 Version:        1.10.0
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Library with cross-python path, ini-parsing, io, code, log facilities
 License:        MIT and Public Domain
 #               main package: MIT, except: doc/style.css: Public Domain
@@ -116,6 +116,11 @@ py.test-%{python3_version} -r s -k"-TestWCSvnCommandPath" testing
 
 
 %changelog
+* Tue Feb 08 2022 Tomáš Hrnčiar <thrnciar@redhat.com> - 1.10.0-5
+- Add automatically generated Obsoletes tag with the python39- prefix
+  for smoother upgrade from RHEL8
+- Related: rhbz#1990421
+
 * Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com> - 1.10.0-4
 - Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
   Related: rhbz#1991688