diff --git a/python-rsa.spec b/python-rsa.spec
index ce1f841..50b1e56 100644
--- a/python-rsa.spec
+++ b/python-rsa.spec
@@ -13,7 +13,7 @@
 
 Name:           python-%{pypi_name}
 Version:        3.3
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Pure-Python RSA implementation
 
 License:        ASL 2.0
@@ -24,11 +24,11 @@ BuildArch:      noarch
 
 BuildRequires:  python2-devel
 BuildRequires:  python-setuptools
-BuildRequires:  python-pyasn1
+BuildRequires:  python-pyasn1%{!?el6: >= 0.1.3}
 %if 0%{?with_python3}
 BuildRequires:  python3-devel
 BuildRequires:  python3-setuptools
-BuildRequires:  python3-pyasn1
+BuildRequires:  python3-pyasn1 >= 0.1.3
 BuildRequires:  python3-unittest2
 %endif # with_python3
 
@@ -43,7 +43,7 @@ Summary:        Pure-Python RSA implementation
 %{?python_provide:%python_provide python2-%{pypi_name}}
 %{?el6:Provides: python-%{pypi_name}}
 
-Requires:       python-pyasn1 >= 0.1.3
+Requires:       python-pyasn1%{!?el6: >= 0.1.3}
 Requires:       python-setuptools
 %description -n python2-%{pypi_name}
 Python-RSA is a pure-Python RSA implementation. It supports encryption
@@ -158,6 +158,9 @@ cp %{buildroot}%{_bindir}/pyrsa-decrypt-bigfile %{buildroot}%{_bindir}/pyrsa-dec
 %endif # with_python3
 
 %changelog
+* Mon Feb 02 2016 Fabio Alessandro Locati <fabio@locati.cc> - 3.3-3
+- Fix bug #1303660
+
 * Wed Jan 13 2016 Fabio Alessandro Locati <fabio@locati.cc> - 3.3-2
 - Fix for EL6 and EPEL7