diff --git a/src/main/resources/scripts/U3_5_0_3__drop_email_unique_constraint.sql b/src/main/resources/scripts/U3_5_0_3__drop_email_unique_constraint.sql
new file mode 100644
index 0000000..e0cd1d8
--- /dev/null
+++ b/src/main/resources/scripts/U3_5_0_3__drop_email_unique_constraint.sql
@@ -0,0 +1 @@
+CREATE UNIQUE INDEX users_mail_key ON users (mail);
\ No newline at end of file
diff --git a/src/main/resources/scripts/V3_5_0_3__drop_email_unique_constraint.sql b/src/main/resources/scripts/V3_5_0_3__drop_email_unique_constraint.sql
new file mode 100644
index 0000000..85ae781
--- /dev/null
+++ b/src/main/resources/scripts/V3_5_0_3__drop_email_unique_constraint.sql
@@ -0,0 +1 @@
+ALTER TABLE users DROP CONSTRAINT IF EXISTS users_mail_key;
\ No newline at end of file