diff --git a/SlackNet/Interaction/SelectElement.cs b/SlackNet/Interaction/SelectElement.cs
index 0ca7359..b086872 100644
--- a/SlackNet/Interaction/SelectElement.cs
+++ b/SlackNet/Interaction/SelectElement.cs
@@ -7,5 +7,6 @@ public class SelectElement : DialogElement
         public SelectElement() : base("select") { }
 
         public IList<SelectOption> Options { get; set; } = new List<SelectOption>();
+        public DataSource DataSource { get; set; }
     }
-}
\ No newline at end of file
+}