diff --git a/requirements.txt b/requirements.txt
index 64f4e494..61f012e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,10 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-pbr!=2.1.0,>=2.0.0 # Apache-2.0
 Babel!=2.4.0,>=2.3.4 # BSD
 openstacksdk>=0.9.18 # Apache-2.0
+oslo.log>=3.30.0  # Apache-2.0
+pbr!=2.1.0,>=2.0.0 # Apache-2.0
 python-barbicanclient!=4.5.0,!=4.5.1,>=4.0.0 # Apache-2.0
+python-keystoneclient>=3.8.0  # Apache-2.0
+six>=1.9.0  # MIT