diff --git a/requirements.txt b/requirements.txt
index fc6b6d6..46db227 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
 oslo.messaging>=5.14.0 # Apache-2.0
 oslo.log>=3.11.0 # Apache-2.0
 oslo.db!=4.13.1,!=4.13.2,>=4.11.0 # Apache-2.0
-keystoneauth1>=2.14.0 # Apache-2.0
+keystoneauth1>=2.16.0 # Apache-2.0
 python-keystoneclient>=3.8.0 # Apache-2.0
 requests!=2.12.2,>=2.10.0 # Apache-2.0
 six>=1.9.0 # MIT