diff --git a/requirements.txt b/requirements.txt
index 1d18dd3..85a3d13 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 pbr>=2.0 # Apache-2.0
+six>=1.9.0 # MIT
+oslo.log>=3.22.0 # Apache-2.0
+oslo.utils>=3.20.0 # Apache-2.0
+tempest>=12.1.0 # Apache-2.0