diff --git a/Hcs.Broker/Client.cs b/Hcs.Broker/Client.cs
index 12478b5..b17412e 100644
--- a/Hcs.Broker/Client.cs
+++ b/Hcs.Broker/Client.cs
@@ -70,6 +70,11 @@ namespace Hcs.Broker
 
         internal SecureString CertificatePin { get; private set; }
 
+        public Client()
+        {
+            AppContext.SetSwitch("Switch.CryptoPro.DotNet.AllowExperimental", true);
+        }
+
         public void SetSigningCertificate(string serialNumber, string? pin = null)
         {
             using var store = new CpX509Store(StoreName.My, StoreLocation.CurrentUser);