diff --git a/db/clickhouse/migrations/05.1_update_event_data.sql b/db/clickhouse/migrations/05.1_update_event_data.sql
new file mode 100644
index 000000000..f822e8bb0
--- /dev/null
+++ b/db/clickhouse/migrations/05.1_update_event_data.sql
@@ -0,0 +1,2 @@
+ALTER TABLE "event_data_blob" ADD COLUMN "event_name" Nullable(String);
+ALTER TABLE "event_data" ADD COLUMN "visit_id" Nullable(UUID);
\ No newline at end of file