diff --git a/migrations/server/mysql/0002_role_on_keys.down.sql b/migrations/server/mysql/0002_role_on_keys.down.sql
new file mode 100644
index 0000000000..84a9350911
--- /dev/null
+++ b/migrations/server/mysql/0002_role_on_keys.down.sql
@@ -0,0 +1 @@
+ALTER TABLE `timestamp_keys` DROP KEY `gun_role`, DROP COLUMN `role`, ADD UNIQUE KEY `gun` (`gun`);
diff --git a/migrations/server/mysql/0002_role_on_keys.up.sql b/migrations/server/mysql/0002_role_on_keys.up.sql
new file mode 100644
index 0000000000..c63e04a321
--- /dev/null
+++ b/migrations/server/mysql/0002_role_on_keys.up.sql
@@ -0,0 +1 @@
+ALTER TABLE `timestamp_keys` ADD COLUMN `role` VARCHAR(255) NOT NULL, DROP KEY `gun`, ADD UNIQUE KEY `gun_role` (`gun`, `role`);