diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 1cdb8983..925f6cf5 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -2,6 +2,8 @@
 use-project /boost/python : ../build ;
 project /boost/python/test ;
 
+project : requirements <threading>multi ;
+
 rule py-run ( sources * )
 {
     return [ run $(sources) /boost/python//boost_python ] ;