diff --git a/README.md b/README.md
index ba27d24..c2134eb 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,7 @@ from quart_session import Session
 
 app = Quart(__name__)
 app.config['SESSION_TYPE'] = 'redis'
+app.config['SESSION_URI'] = 'redis://:password@localhost:6379'
 Session(app)
 
 @app.route('/')
diff --git a/quart_session/sessions.py b/quart_session/sessions.py
index 77c2c20..4f7c75e 100644
--- a/quart_session/sessions.py
+++ b/quart_session/sessions.py
@@ -228,8 +228,9 @@ class RedisSessionInterface(SessionInterface):
         """
         if self.backend is None:
             import aioredis
+            uri = app.config.get('SESSION_URI', 'redis://localhost')
             self.backend = await aioredis.from_url(
-                "redis://localhost", encoding="utf-8", decode_responses=True
+                uri, encoding="utf-8", decode_responses=True
             )
 
     async def get(self, key: str, app: Quart = None):