diff --git a/prisma/migrations/20230522022207_users_stats_day_idx/migration.sql b/prisma/migrations/20230522022207_users_stats_day_idx/migration.sql
new file mode 100644
index 00000000..52aa5002
--- /dev/null
+++ b/prisma/migrations/20230522022207_users_stats_day_idx/migration.sql
@@ -0,0 +1 @@
+CREATE UNIQUE INDEX IF NOT EXISTS user_stats_days_idx ON user_stats_days(day, id);