diff --git a/python-chameleon.spec b/python-chameleon.spec
index ca7f806..c176bc8 100644
--- a/python-chameleon.spec
+++ b/python-chameleon.spec
@@ -22,6 +22,10 @@ BuildRequires: python-setuptools
 BuildRequires: python-lxml
 BuildRequires: python-zope-interface
 
+%if 0%{?rhel} && 0%{?rhel} <= 6
+BuildRequires: python-unittest2
+%endif
+
 %if 0%{?rhel} && 0%{?rhel} < 6
 BuildRequires: python-elementtree
 Requires: python-elementtree
@@ -76,7 +80,10 @@ rm -rf %{buildroot}
 
 
 %changelog
-* Mon Oct 3 2011 Toshio Kuratomi <toshio@fedoraproject.org> - 2.5.3-1
+* Thu Nov 10 2011 Toshio Kuratomi <toshio@fedoraproject.org> - 2.5.3-1.1
+- Fix to build on RHEL6
+
+* Thu Nov 10 2011 Toshio Kuratomi <toshio@fedoraproject.org> - 2.5.3-1
 - New upstream release
 
 * Mon Oct 3 2011 Toshio Kuratomi <toshio@fedoraproject.org> - 2.5.1-1