diff --git a/script/3.7/schema/3.update_abn_report_params.sql b/script/3.7/schema/3.update_abn_report_params.sql
new file mode 100644
index 0000000..061b2ea
--- /dev/null
+++ b/script/3.7/schema/3.update_abn_report_params.sql
@@ -0,0 +1,2 @@
+alter table abn_report_params
+    alter column item_index drop not null;
\ No newline at end of file