diff --git a/python-testtools.spec b/python-testtools.spec
index c807af9..b9dbc1c 100644
--- a/python-testtools.spec
+++ b/python-testtools.spec
@@ -36,7 +36,9 @@ Requires:       python-pbr >= 0.11
 Requires:       python-python-mimeparse
 Requires:       python-six >= 1.4.0
 Requires:       python-traceback2
+%ifpython2
 Requires:       python-unittest2 >= 1.0.0
+%endif
 Recommends:     python-fixtures >= 1.3.0
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch