diff --git a/ser.spec b/ser.spec
index 286c05b..05e729b 100644
--- a/ser.spec
+++ b/ser.spec
@@ -8,7 +8,7 @@
 Summary: SIP Express Router
 Name: ser
 Version: 0.9.6
-Release: 19%{?dist}
+Release: 21%{?dist}
 License: GPLv2+
 Group: System Environment/Daemons
 Source0: http://ftp.iptel.org/pub/ser/latest/src/ser-%{version}_src.tar.gz
@@ -20,7 +20,7 @@ Patch1: ser-0.9.6-sysdef.patch
 URL: http://www.iptel.org/ser/
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: expat-devel, libxml2-devel, mysql-devel, postgresql-devel, bison
-BuildRequires: flex
+BuildRequires: flex, flex-static
 Requires(post): chkconfig
 Requires(preun): chkconfig
 # for /sbin/service
@@ -216,6 +216,12 @@ fi
 %endif
 
 %changelog
+* Thu Mar 24 2011 Marcela Mašláňová <mmaslano@redhat.com> - 0.9.6-21
+- add BR flex-static 660932
+
+* Wed Mar 23 2011 Dan Horák <dan@danny.cz> - 0.9.6-20
+- rebuilt for mysql 5.5.10 (soname bump in libmysqlclient)
+
 * Wed Feb 09 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.9.6-19
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild