diff --git a/flex.spec b/flex.spec
index 3a6f25c..a07ca11 100644
--- a/flex.spec
+++ b/flex.spec
@@ -3,7 +3,7 @@
 Summary: A tool for creating scanners (text pattern recognizers)
 Name: flex
 Version: 2.6.4
-Release: 4%{?dist}
+Release: 5%{?dist}
 # parse.c and parse.h are under GPLv3+ with exception which allows
 #	relicensing.  Since flex is shipped under BDS-style license,
 #	let's  assume that the relicensing was done.
@@ -110,6 +110,9 @@ echo ============END TESTING===========
 %{_pkgdocdir}
 
 %changelog
+* Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.6.4-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Tue Jan 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.6.4-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild