diff --git a/manage/cmd/migration/scripts/10_add_messages_extra.sql b/manage/cmd/migration/scripts/10_add_messages_extra.sql
new file mode 100644
index 0000000..fd4d57c
--- /dev/null
+++ b/manage/cmd/migration/scripts/10_add_messages_extra.sql
@@ -0,0 +1,5 @@
+CREATE TABLE IF NOT EXISTS messages_extra (
+    id bigint REFERENCES messages,
+    user_mention_ids bigint[] default null,
+    role_mention_ids bigint[] default null
+);