diff --git a/unlambda.spec b/unlambda.spec
index b429a21..7f75af9 100644
--- a/unlambda.spec
+++ b/unlambda.spec
@@ -6,7 +6,7 @@
 
 Name:           %{pkg_name}
 Version:        0.1.4.2
-Release:        19%{?dist}
+Release:        20%{?dist}
 Summary:        Unlambda interpreter
 
 License:        GPL+
@@ -119,6 +119,9 @@ iconv -f iso8859-1 -t utf-8 Language/Unlambda.hs > Language/Unlambda.conv && mv
 
 
 %changelog
+* Sat Jan 08 2022 Miro Hrončok <mhroncok@redhat.com> - 0.1.4.2-20
+- Rebuilt for https://fedoraproject.org/wiki/Changes/LIBFFI34
+
 * Fri Aug 06 2021 Jens Petersen <petersen@redhat.com> - 0.1.4.2-19
 - rebuild