diff --git a/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs b/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
index f664491..0edfe07 100644
--- a/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
+++ b/RhSolutions.AddIn/AddIn/RhSolutionsAddIn.cs
@@ -48,6 +48,7 @@ public sealed class RhSolutionsAddIn : IExcelAddIn
 
         ServicePointManager.SecurityProtocol =
             SecurityProtocolType.Tls12;
+        ServicePointManager.DefaultConnectionLimit = 50;
     }
 
     public void AutoClose()