diff --git a/openstack-common.conf b/openstack-common.conf
index e548fd774..8e578748a 100644
--- a/openstack-common.conf
+++ b/openstack-common.conf
@@ -21,12 +21,15 @@ module=notifier
 module=periodic_task
 module=policy
 module=processutils
+module=py3kcompat
 module=rpc
 module=service
+module=sslutils
 module=rootwrap
 module=threadgroup
 module=timeutils
 module=uuidutils
+module=versionutils
 
 # The base module to hold the copy of openstack.common
 base=neutron