diff --git a/requirements.txt b/requirements.txt
index fe6809f..8ace910 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Flask!=0.11,<1.0,>=0.10 # BSD
 iso8601>=0.1.11 # MIT
 Jinja2!=2.9.0,!=2.9.1,!=2.9.2,!=2.9.3,!=2.9.4,>=2.8 # BSD License (3 clause)
 jsonschema<3.0.0,>=2.6.0 # MIT
-keystoneauth1>=3.2.0 # Apache-2.0
+keystoneauth1>=3.3.0 # Apache-2.0
 keystonemiddleware>=4.17.0 # Apache-2.0
 oslo.config>=5.1.0 # Apache-2.0
 oslo.concurrency>=3.20.0 # Apache-2.0