diff --git a/PlotLine/Program.cs b/PlotLine/Program.cs
index e8c4801..b1c4644 100644
--- a/PlotLine/Program.cs
+++ b/PlotLine/Program.cs
@@ -24,7 +24,10 @@ public class Program
         {
             options.Filters.Add<ProjectAccessFilter>();
         });
-        builder.Services.AddSignalR();
+        builder.Services.AddSignalR(options =>
+        {
+            options.MaximumReceiveMessageSize = 1024 * 1024;
+        });
         builder.Services.AddHttpContextAccessor();
         builder.Services.AddDistributedMemoryCache();
         builder.Services.AddSession(options =>