diff --git a/src/Pipedrive.net/Models/Common/FieldType.cs b/src/Pipedrive.net/Models/Common/FieldType.cs
index 7ead6eac..e83f278a 100644
--- a/src/Pipedrive.net/Models/Common/FieldType.cs
+++ b/src/Pipedrive.net/Models/Common/FieldType.cs
@@ -24,6 +24,7 @@ public enum FieldType
         visible_to,
         picture, // Person field
         address, // Organization field
-        price_list // Product field
+        price_list, // Product field
+        billing_frequency // Subscription field
     }
 }