diff --git a/python-rsa.spec b/python-rsa.spec
index e4d22ff..1b90f83 100644
--- a/python-rsa.spec
+++ b/python-rsa.spec
@@ -2,7 +2,7 @@
 
 Name:           python-rsa
 Version:        3.1.1
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Pure-Python RSA implementation
 
 License:        ASL 2.0
@@ -23,6 +23,7 @@ Pure-Python RSA implementation
 rm -rf %{pkgname}-*.egg-info
 sed -i "/from distribute_setup import use_setuptools/d" setup.py
 sed -i "/use_setuptools('0.6.10')/d" setup.py
+sed -i "s/pyasn1 >= 0.1.3/pyasn1 >= 0/" setup.py
 
 %build
 %{__python} setup.py build
@@ -40,6 +41,8 @@ sed -i "/use_setuptools('0.6.10')/d" setup.py
 %{python_sitelib}/rsa-*.egg-info
 
 %changelog
+* Fri Jan 10 2014 Marek Goldmann <mgoldman@redhat.com> - 3.1.1-5
+- Make it possible to build on EL6 branch
 * Mon Aug 05 2013 Yohan Graterol <yohangraterol92@gmail.com> - 3.1.1-4
 - Fix build in F20
 * Sun Aug 04 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 3.1.1-3