diff --git a/python3-setproctitle.spec b/python3-setproctitle.spec
index 81974aa..c4b5874 100644
--- a/python3-setproctitle.spec
+++ b/python3-setproctitle.spec
@@ -26,7 +26,9 @@ License:        BSD-3-Clause
 Group:          Development/Libraries/Python
 Url:            http://pypi.python.org/pypi/setproctitle/
 Source:         http://pypi.python.org/packages/source/s/setproctitle/setproctitle-%{version}.tar.gz
+BuildRequires:  python3-2to3
 BuildRequires:  python3-devel
+Requires:       python3 >= %{p3_ver}
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description