diff --git a/python_nemesis/base_app.py b/python_nemesis/base_app.py
index 3d7a567..a7cfc38 100644
--- a/python_nemesis/base_app.py
+++ b/python_nemesis/base_app.py
@@ -16,6 +16,7 @@ from oslo_config import cfg
 from python_nemesis.config import collect_sqlalchemy_opts
 from python_nemesis.config import register_opts
 from python_nemesis.extensions import db
+from python_nemesis.extensions import keystone
 from python_nemesis.extensions import log
 
 
@@ -64,6 +65,7 @@ def configure_extensions(app):
     """
     db.init_app(app)
     log.init_app(app)
+    keystone.init_app(app)
 
 
 def create_app(app_name=None, blueprints=None):
diff --git a/python_nemesis/extensions.py b/python_nemesis/extensions.py
index 5cb5858..3fa811d 100644
--- a/python_nemesis/extensions.py
+++ b/python_nemesis/extensions.py
@@ -1,6 +1,8 @@
+from flask_keystone import FlaskKeystone
 from flask_oslolog import OsloLog
 from flask_sqlalchemy import SQLAlchemy
 
 
 db = SQLAlchemy()
 log = OsloLog()
+keystone = FlaskKeystone()
diff --git a/requirements.txt b/requirements.txt
index 3aceacf..ba64922 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,6 +7,7 @@ alembic>=0.8.10 # MIT
 Flask!=0.11,<1.0,>=0.10 # BSD
 Flask-SQLAlchemy>=2.0 # BSD
 flask-oslolog # Apache-2.0
+flask-keystone>0.1 # Apache-2.0
 oslo.config>=4.0.0 # Apache-2.0
 oslo.messaging!=5.25.0,>=5.24.2 # Apache-2.0
 oslo.log>=3.22.0 # Apache-2.0