diff --git a/Program.cs b/Program.cs
index f97f485..c009f86 100644
--- a/Program.cs
+++ b/Program.cs
@@ -14,6 +14,7 @@ builder.Services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationSc
     o.LoginPath = "/login";
     o.Cookie.Name = "NotesUser";
     o.Cookie.MaxAge = TimeSpan.FromDays(3);
+    o.SlidingExpiration = true;
 });
 
 var app = builder.Build();