diff --git a/services/libs/tinybird/datasources/activities.datasource b/services/libs/tinybird/datasources/activities.datasource
index 68dc8dc893..25f570c3fd 100644
--- a/services/libs/tinybird/datasources/activities.datasource
+++ b/services/libs/tinybird/datasources/activities.datasource
@@ -48,6 +48,9 @@ SCHEMA >
     `updatedById` UUID `json:$.updatedById` DEFAULT toUUID('00000000-0000-0000-0000-000000000000'),
     `segmentId` LowCardinality(String) `json:$.segmentId` DEFAULT ''
 
+INDEXES >
+    idx_updatedAt updatedAt TYPE minmax GRANULARITY 1
+
 ENGINE ReplacingMergeTree
 ENGINE_PARTITION_KEY toYear(createdAt)
 ENGINE_SORTING_KEY id
diff --git a/services/libs/tinybird/datasources/activities_deduplicated_ds.datasource b/services/libs/tinybird/datasources/activities_deduplicated_ds.datasource
index 50342803c7..0d8e04fbd9 100644
--- a/services/libs/tinybird/datasources/activities_deduplicated_ds.datasource
+++ b/services/libs/tinybird/datasources/activities_deduplicated_ds.datasource
@@ -38,4 +38,4 @@ INDEXES >
 
 ENGINE MergeTree
 ENGINE_PARTITION_KEY toYear(timestamp)
-ENGINE_SORTING_KEY id, platform, channel
+ENGINE_SORTING_KEY id, platform, channel, updatedAt