diff --git a/flex.spec b/flex.spec
index 1256908..8fbb43c 100644
--- a/flex.spec
+++ b/flex.spec
@@ -1,7 +1,7 @@
 Summary: A tool for creating scanners (text pattern recognizers)
 Name: flex
 Version: 2.5.37
-Release: 5%{?dist}
+Release: 6%{?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.
@@ -132,6 +132,9 @@ rm -rf ${RPM_BUILD_ROOT}
 %{_datadir}/doc/flex-doc-%{version}
 
 %changelog
+* Sat Jun 07 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.5.37-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
+
 * Wed Apr 16 2014 Patsy Franklin <pfrankli@redhat.com> - 2.5.37-5
 - Add a patch to remove obsolete bison constructs YYLEX_PARAM and 
   YYPARSE_PARAM. Use %lex-param, %parse-param, or %param.