diff --git a/migrations/20240516200802_cqrs_init.sql b/migrations/20240516200802_cqrs_init.sql
index a9c50a2..ddae744 100644
--- a/migrations/20240516200802_cqrs_init.sql
+++ b/migrations/20240516200802_cqrs_init.sql
@@ -30,3 +30,6 @@ CREATE TABLE IF NOT EXISTS user_query
 
     PRIMARY KEY (user_id)
 );
+
+
+CREATE UNIQUE INDEX IF NOT EXISTS user_email_index ON user_query (email);