diff --git a/requirements.txt b/requirements.txt
index 790e605..67f303d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,6 +5,7 @@
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 
 # xml parsing
+keystoneauth1>=5.1.1 # Apache-2.0
 lxml!=3.7.0,>=3.4.1 # BSD
 tempest>=17.1.0 # Apache-2.0
 oslo.config>=5.2.0 # Apache-2.0