diff --git a/thunderbird.spec b/thunderbird.spec
index c9695ca..5c8fac1 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -179,7 +179,7 @@ end}
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
 Version:        78.13.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Group:          Applications/Internet
@@ -1325,6 +1325,10 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Thu Aug 19 2021 Carlos O'Donell <codonell@redhat.com> - 78.13.0-2
+- Rebuilt for libffi 3.4.2 SONAME transition.
+  Related: rhbz#1891914
+
 * Tue Aug 10 2021 Eike Rathke <erack@redhat.com> - 78.13.0-1
 - Update to 78.13.0