diff --git a/tools/pip-requires b/tools/pip-requires
index 7ed4a43..bd47095 100644
--- a/tools/pip-requires
+++ b/tools/pip-requires
@@ -8,7 +8,7 @@ eventlet>=0.9.17
 greenlet>=0.3.1
 httplib2
 iso8601>=0.1.4
-kombu==1.0.4
+kombu>=1.0.4
 netaddr
 python-quantumclient>=2.2.0,<3.0.0
 pyudev