diff --git a/generated/ecs/ecs_flat.yml b/generated/ecs/ecs_flat.yml
index 5f6aa7025b..8c1aae71b2 100644
--- a/generated/ecs/ecs_flat.yml
+++ b/generated/ecs/ecs_flat.yml
@@ -1837,6 +1837,7 @@ event.created:
   type: date
 event.dataset:
   dashed_name: event-dataset
+  deprecated: true
   description: 'Name of the dataset.
 
     If an event source publishes more than one type of log or events (e.g. access
diff --git a/generated/ecs/ecs_nested.yml b/generated/ecs/ecs_nested.yml
index 14cc581f24..dc1f7bac81 100644
--- a/generated/ecs/ecs_nested.yml
+++ b/generated/ecs/ecs_nested.yml
@@ -2188,6 +2188,7 @@ event:
       type: date
     dataset:
       dashed_name: event-dataset
+      deprecated: true
       description: 'Name of the dataset.
 
         If an event source publishes more than one type of log or events (e.g. access
diff --git a/schemas/event.yml b/schemas/event.yml
index 204adb3e7b..34beeae108 100644
--- a/schemas/event.yml
+++ b/schemas/event.yml
@@ -514,6 +514,7 @@
         It's recommended but not required to start the dataset name with
         the module name, followed by a dot, then the dataset name.
       example: apache.access
+      deprecated: true
 
     - name: provider
       level: extended