diff --git a/SlackAPI/TeamPreferences.cs b/SlackAPI/TeamPreferences.cs
index 84bde47..c7da545 100644
--- a/SlackAPI/TeamPreferences.cs
+++ b/SlackAPI/TeamPreferences.cs
@@ -22,7 +22,8 @@ public class TeamPreferences
         public enum AuthMode
         {
             normal,
-            saml
+            saml,
+            google
         }
     }
 }