diff --git a/python-tox.spec b/python-tox.spec
index 1dda942..79f6651 100644
--- a/python-tox.spec
+++ b/python-tox.spec
@@ -7,7 +7,7 @@
 %global pypiname tox
 Name:           python-tox
 Version:        1.4.2
-Release:        6%{?dist}
+Release:        7%{?dist}
 Summary:        Virtualenv-based automation of test activities
 
 # file toxbootstrap.py is licensed under MIT License
@@ -19,6 +19,8 @@ Source0:        http://pypi.python.org/packages/source/t/%{pypiname}/%{pypiname}
 BuildArch:      noarch
 BuildRequires:  python2-devel
 BuildRequires:  python-setuptools
+Requires:  python-py
+Requires:  python-virtualenv
 # required for check
 %if 0%{?fedora}
 BuildRequires:  python-py
@@ -72,6 +74,9 @@ TOXENV=py27 %{__python} setup.py test
 
 
 %changelog
+* Wed Nov 14 2012 Matthias Runge <mrunge@redhat.com> - 1.4.2-7
+- add requires python-py, python-virtualenv (rhbz#876246)
+
 * Thu Oct 18 2012 Matthias Runge <mrunge@redhat.com> - 1.4.2-6
 - change license to GPLv2+ and MIT