diff --git a/MoneyMap/Program.cs b/MoneyMap/Program.cs
index 485cdd5..620c453 100644
--- a/MoneyMap/Program.cs
+++ b/MoneyMap/Program.cs
@@ -17,6 +17,7 @@ builder.Services.AddSession(options =>
     options.IdleTimeout = TimeSpan.FromMinutes(30);
     options.Cookie.HttpOnly = true;
     options.Cookie.IsEssential = true;
+    options.IOTimeout = TimeSpan.FromMinutes(5); // Increase timeout for large data
 });
 
 // Add the new services here