diff --git a/frontend/supabase/migrations/20260718020000_profiles_service_role_upsert_grants.sql b/frontend/supabase/migrations/20260718020000_profiles_service_role_upsert_grants.sql
new file mode 100644
index 00000000..3e44d20b
--- /dev/null
+++ b/frontend/supabase/migrations/20260718020000_profiles_service_role_upsert_grants.sql
@@ -0,0 +1,53 @@
+begin;
+
+grant select, insert, update on table public.profiles to service_role;
+
+grant select (
+  id,
+  email,
+  credits,
+  created_at,
+  updated_at,
+  name,
+  birth_date,
+  birth_time,
+  country_code,
+  province_code,
+  city_code,
+  district_code,
+  latitude,
+  longitude,
+  timezone_offset
+) on public.profiles to service_role;
+
+grant insert (
+  id,
+  email,
+  name,
+  birth_date,
+  birth_time,
+  country_code,
+  province_code,
+  city_code,
+  district_code,
+  latitude,
+  longitude,
+  timezone_offset,
+  updated_at
+) on public.profiles to service_role;
+
+grant update (
+  name,
+  birth_date,
+  birth_time,
+  country_code,
+  province_code,
+  city_code,
+  district_code,
+  latitude,
+  longitude,
+  timezone_offset,
+  updated_at
+) on public.profiles to service_role;
+
+commit;