diff --git a/firefox.spec b/firefox.spec
index d747bc3..0569e4c 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -198,7 +198,7 @@ end}
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        78.13.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 %if 0%{?rhel} == 7
@@ -1655,6 +1655,10 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Wed Aug 18 2021 DJ Delorie <dj@redhat.com> - 78.13.0-3
+- Rebuilt for libffi 3.4.2 SONAME transition.
+  Related: rhbz#1891914
+
 * Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 78.13.0-2
 - Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
   Related: rhbz#1991688