diff --git a/db/clickhouse/migrations/02_add_upload_id.sql b/db/clickhouse/migrations/02_add_upload_id.sql
new file mode 100644
index 00000000..c14f5622
--- /dev/null
+++ b/db/clickhouse/migrations/02_add_upload_id.sql
@@ -0,0 +1,2 @@
+ALTER TABLE "website_event" ADD COLUMN "upload_id" UUID AFTER "created_at";
+ALTER TABLE "event_data" ADD COLUMN "upload_id" UUID AFTER "created_at";
\ No newline at end of file
diff --git a/db/clickhouse/schema.sql b/db/clickhouse/schema.sql
index de1082ec..88d72db2 100644
--- a/db/clickhouse/schema.sql
+++ b/db/clickhouse/schema.sql
@@ -27,7 +27,8 @@ CREATE TABLE umami.website_event
     --event
     event_type UInt32,
     event_name String,
-    created_at DateTime('UTC')
+    created_at DateTime('UTC'),
+    upload_id UUID
 )
     engine = MergeTree
         ORDER BY (website_id, session_id, created_at)
@@ -121,7 +122,8 @@ CREATE TABLE umami.event_data
     numeric_value Nullable(Decimal64(4)), --922337203685477.5625
     date_value Nullable(DateTime('UTC')),
     data_type UInt32,
-    created_at DateTime('UTC')
+    created_at DateTime('UTC'),
+    upload_id UUID
 )
     engine = MergeTree
         ORDER BY (website_id, event_id, event_key, created_at)