diff --git a/app/app.py b/app/app.py
index f2daa72..c3ac2b1 100644
--- a/app/app.py
+++ b/app/app.py
@@ -66,7 +66,7 @@ logging.getLogger("httpx").setLevel(logging.WARNING)
 logger = logging.getLogger("immich_drop")
 
 # Cookie-based session for short-lived auth token storage (no persistence)
-app.add_middleware(SessionMiddleware, secret_key=SETTINGS.session_secret, same_site="lax")
+app.add_middleware(SessionMiddleware, secret_key=SETTINGS.session_secret, same_site="lax", max_age=365 * 24 * 60 * 60)
 
 FRONTEND_DIR = os.path.join(os.path.dirname(os.path.dirname(__file__)), "frontend")
 app.mount("/static", StaticFiles(directory=FRONTEND_DIR), name="static")