diff --git a/README.debrand b/README.debrand
new file mode 100644
index 0000000..01c46d2
--- /dev/null
+++ b/README.debrand
@@ -0,0 +1,2 @@
+Warning: This package was configured for automatic debranding, but the changes
+failed to apply.
diff --git a/SPECS/thunderbird.spec b/SPECS/thunderbird.spec
index 57acf9b..5251dfd 100644
--- a/SPECS/thunderbird.spec
+++ b/SPECS/thunderbird.spec
@@ -1440,6 +1440,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Mon Dec 14 2020 CentOS Sources <bugs@centos.org> - 78.5.1-1.el8.centos
+- Apply debranding changes
+
 * Fri Dec 04 2020 Jan Horak <jhorak@redhat.com> - 78.5.1-1
 - Update to 78.5.1 build1