/resources/ad.proto

--- v15/resources/ad.proto  2024-02-20 20:29:00.000000000 +0000
+++ v16/resources/ad.proto  2024-02-20 20:29:04.000000000 +0000
@@ -208,10 +208,14 @@
         discovery_carousel_ad = 52;

     // Details pertaining to a discovery video responsive ad.
-    google.ads.googleads.v15.common.DiscoveryVideoResponsiveAdInfo
+    google.ads.googleads.v16.common.DiscoveryVideoResponsiveAdInfo
         discovery_video_responsive_ad = 60;

+    // Details pertaining to a Demand Gen product ad.
+    google.ads.googleads.v16.common.DemandGenProductAdInfo
+        demand_gen_product_ad = 61;
+
     // Details pertaining to a travel ad.
-    google.ads.googleads.v15.common.TravelAdInfo travel_ad = 54;
+    google.ads.googleads.v16.common.TravelAdInfo travel_ad = 54;
   }
 }