diff --git a/src/main/resources/db/migration/V33__drop_site_user_email_unique.sql b/src/main/resources/db/migration/V33__drop_site_user_email_unique.sql
new file mode 100644
index 000000000..39c89b949
--- /dev/null
+++ b/src/main/resources/db/migration/V33__drop_site_user_email_unique.sql
@@ -0,0 +1 @@
+ALTER TABLE site_user DROP KEY site_user_email_unique;