diff --git a/tools/config/config-generator.tempest.conf b/tools/config/config-generator.tempest.conf
index e5a02f8..d718f93 100644
--- a/tools/config/config-generator.tempest.conf
+++ b/tools/config/config-generator.tempest.conf
@@ -1,3 +1,8 @@
 [DEFAULT]
 output_file = etc/tempest.conf.sample
 namespace = tempest.config
+namespace = oslo.concurrency
+namespace = oslo.i18n
+namespace = oslo.log
+namespace = oslo.serialization
+namespace = oslo.utils