diff --git a/python-attrs.spec b/python-attrs.spec
index 411f0be..508a1dd 100644
--- a/python-attrs.spec
+++ b/python-attrs.spec
@@ -6,7 +6,7 @@
 
 Name:           python-attrs
 Version:        20.3.0
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        Python attributes without boilerplate
 
 License:        MIT
@@ -58,6 +58,11 @@ PYTHONPATH=%{buildroot}/%{python3_sitelib} py.test-3 -v
 %{python3_sitelib}/*
 
 %changelog
+* Tue Feb 08 2022 Tomas Orsava <torsava@redhat.com> - 20.3.0-6
+- 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> - 20.3.0-5
 - Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
   Related: rhbz#1991688