diff --git a/src/Certify.Shared/Utils/Util.cs b/src/Certify.Shared/Utils/Util.cs
index 9eb725af3..44498ee31 100644
--- a/src/Certify.Shared/Utils/Util.cs
+++ b/src/Certify.Shared/Utils/Util.cs
@@ -160,15 +160,7 @@ public static void SetSupportedTLSVersions()
         {
             try
             {
-                ServicePointManager.SecurityProtocol = 0; // System Default
-                Debug.WriteLine("ServicePointManager.SecurityProtocol : System Default enabled");
-                return;
-            }
-            catch { }
-
-            try
-            {
-                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12 | (SecurityProtocolType)1228;
+                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12 | (SecurityProtocolType)12288;
                 return;
             }
             catch