diff --git a/demo/demo.sql b/demo/demo.sql
index b6d371f..5733bfb 100644
--- a/demo/demo.sql
+++ b/demo/demo.sql
@@ -3,13 +3,13 @@ begin;
 
 set search_path to camper, auth, public;
 
-alter sequence user_user_id_seq restart with 42;
+alter table auth."user" alter column user_id restart with 42;
 insert into auth."user" (email, name, password)
 values ('demo@camper', 'Demo User', 'demo')
      , ('admin@camper', 'Demo Admin', 'admin')
 ;
 
-alter sequence company_company_id_seq restart with 52;
+alter table company alter column company_id restart with 52;
 insert into company (slug, business_name, vatin, trade_name, phone, email, web, address, city, province, postal_code, country_code, currency_code, default_lang_tag, legal_disclaimer)
 values ('09184122-b276-4be2-9553-e4bbcbafe40d', 'Càmping les mines, S.L.U.', 'ESB17616756', 'Pescamines', parse_packed_phone_number('972 50 60 70', 'ES'), 'info@lesmines.cat', 'https://lesmines.cat/', 'C/ de l’Hort', 'Castelló d’Empúries', 'Girona', '17486', 'ES', 'EUR', 'ca', 'Càmping les mines, S.L.U. és responsable del tractament de les seves dades d’acord amb el RGPD i la LOPDGDD, i les tracta per a mantenir una relació mercantil/comercial amb vostè. Les conservarà mentre es mantingui aquesta relació i no es comunicaran a tercers. Pot exercir els drets d’accés, rectificació, portabilitat, supressió, limitació i oposició a Càmping les mines, S.L.U., amb domicili Carrer de l’Hort 71, 17486 Castelló d’Empúries o enviant un correu electrònic a info@lesmines.cat. Per a qualsevol reclamació pot acudir a agpd.es. Per a més informació pot consultar la nostra política de privacitat a lesmines.cat.');
 
@@ -23,7 +23,7 @@ values (52, 42, 'employee')
      , (52, 43, 'admin')
 ;
 
-alter sequence media_media_id_seq restart with 62;
+alter table media alter column media_id restart with 62;
 select add_media(52, 'plots.avif', 'image/avif', decode('m4_esyscmd([[base64 -w0 demo/plots.avif]])', 'base64'));
 select add_media(52, 'safari_tents.avif', 'image/avif', decode('m4_esyscmd([[base64 -w0 demo/safari_tents.avif]])', 'base64'));
 select add_media(52, 'bungalows.avif', 'image/avif', decode('m4_esyscmd([[base64 -w0 demo/bungalows.avif]])', 'base64'));
@@ -81,7 +81,7 @@ values (76, 'en', 'Tent')
      , (63, 'es', 'Tiendas Safari')
 ;
 
-alter sequence campsite_type_campsite_type_id_seq restart with 72;
+alter table campsite_type alter column campsite_type_id restart with 72;
 insert into campsite_type (company_id, name, media_id, description)
 values (52, 'Parceŀles', 62, '')
      , (52, 'Safari Tents', 63, '')
@@ -99,7 +99,7 @@ values (72, 'en', 'Plots', '')
      , (75, 'es', 'Cabañas de madera', '')
 ;
 
-alter sequence campsite_campsite_id_seq restart with 82;
+alter table campsite alter column campsite_id restart with 82;
 select add_campsite(72, '2');
 select add_campsite(72, '3');
 select add_campsite(72, '4');
@@ -183,7 +183,7 @@ select add_campsite(72, 'D2');
 select add_campsite(72, 'D3');
 select add_campsite(72, 'D4');
 
-alter sequence service_service_id_seq restart with 82;
+alter table service alter column service_id restart with 82;
 insert into service (company_id, icon_name, name, description)
 values (52, 'information', 'Informació', '<p>A la recepció l’informarem del que pot fer des del càmping mateix o pels voltants.</p>')
      , (52, 'wifi', 'WiFi', '<p>Un 80 % de l’àrea del càmping disposa d’accés WiFi lliure.</p>')
@@ -238,7 +238,7 @@ values (82, 'en', 'Information', '<p>At reception we will inform you of what you
      , (97, 'es', 'Alquiler de neveras', '<p>Posibilidad de alquilar neveras para estancias largas con <a href="https://www.rentit.es/es/portal/productes/42/">Rent It</a>.</p>')
 ;
 
-alter sequence season_season_id_seq restart with 92;
+alter table season alter column season_id restart with 92;
 select add_season(52, 'Temporada alta', '#ff926c');
 select add_season(52, 'Temporada mitjana', '#ffe37f');
 select add_season(52, 'Temporada baixa', '#00aa7d');
diff --git a/deploy/campsite.sql b/deploy/campsite.sql
index e04f5a2..579802c 100644
--- a/deploy/campsite.sql
+++ b/deploy/campsite.sql
@@ -10,7 +10,7 @@ begin;
 set search_path to camper, public;
 
 create table campsite (
-	campsite_id serial primary key,
+	campsite_id integer generated by default as identity primary key,
 	company_id integer not null references company,
 	label text not null constraint label_not_empty check(length(trim(label)) > 0),
 	campsite_type_id integer not null references campsite_type,
@@ -22,8 +22,6 @@ grant select on table campsite to guest;
 grant select on table campsite to employee;
 grant select, insert, update, delete on table campsite to admin;
 
-grant usage on sequence campsite_campsite_id_seq to admin;
-
 alter table campsite enable row level security;
 
 create policy guest_ok
diff --git a/deploy/campsite_type.sql b/deploy/campsite_type.sql
index 54674d6..7605d72 100644
--- a/deploy/campsite_type.sql
+++ b/deploy/campsite_type.sql
@@ -10,7 +10,7 @@ begin;
 set search_path to camper, public;
 
 create table campsite_type (
-	campsite_type_id serial primary key,
+	campsite_type_id integer generated by default as identity primary key,
 	company_id integer not null references company,
 	slug uuid not null unique default gen_random_uuid(),
 	name text not null constraint name_not_empty check(length(trim(name)) > 0),
@@ -23,8 +23,6 @@ grant select on table campsite_type to guest;
 grant select on table campsite_type to employee;
 grant select, insert, update, delete on table campsite_type to admin;
 
-grant usage on sequence campsite_type_campsite_type_id_seq to admin;
-
 alter table campsite_type enable row level security;
 
 create policy guest_ok
diff --git a/deploy/company.sql b/deploy/company.sql
index ededd1e..0350221 100644
--- a/deploy/company.sql
+++ b/deploy/company.sql
@@ -16,7 +16,7 @@ begin;
 set search_path to camper, public;
 
 create table company (
-	company_id serial primary key,
+	company_id integer generated by default as identity primary key,
 	slug uuid not null unique default gen_random_uuid(),
 	business_name text not null constraint business_name_not_empty check (length(trim(business_name)) > 1),
 	vatin vatin not null,
diff --git a/deploy/login_attempt.sql b/deploy/login_attempt.sql
index 80bd4f4..079810c 100644
--- a/deploy/login_attempt.sql
+++ b/deploy/login_attempt.sql
@@ -6,7 +6,7 @@ begin;
 set search_path to auth, public;
 
 create table login_attempt (
-	attempt_id bigserial primary key,
+	attempt_id bigint generated by default as identity primary key,
 	user_name text not null,
 	ip_address inet, -- nullable just in case we login from outside the web application
 	success boolean not null,
diff --git a/deploy/media.sql b/deploy/media.sql
index dc34838..e72d646 100644
--- a/deploy/media.sql
+++ b/deploy/media.sql
@@ -10,7 +10,7 @@ begin;
 set search_path to camper, public;
 
 create table media (
-	media_id serial not null primary key,
+	media_id integer generated by default as identity primary key,
 	company_id integer not null references company,
 	content_hash bytea not null references media_content,
 	original_filename text not null constraint original_filename_not_empty check(length(trim(original_filename)) > 0)
@@ -20,8 +20,6 @@ grant select on table media to guest;
 grant select on table media to employee;
 grant select, insert, delete, update on table media to admin;
 
-grant usage on sequence media_media_id_seq to admin;
-
 alter table media enable row level security;
 
 create policy guest_ok
diff --git a/deploy/season.sql b/deploy/season.sql
index 17ede1f..346a739 100644
--- a/deploy/season.sql
+++ b/deploy/season.sql
@@ -9,7 +9,7 @@ begin;
 set search_path to camper, public;
 
 create table season (
-	season_id serial primary key,
+	season_id integer generated by default as identity primary key,
 	company_id integer not null references company,
 	slug uuid not null unique default gen_random_uuid(),
 	name text not null constraint name_not_empty check(length(trim(name)) > 0),
@@ -21,8 +21,6 @@ grant select on table season to guest;
 grant select on table season to employee;
 grant select, insert, delete, update on table season to admin;
 
-grant usage on sequence season_season_id_seq to admin;
-
 alter table season enable row level security;
 
 create policy guest_ok
diff --git a/deploy/service.sql b/deploy/service.sql
index 831991b..402baa9 100644
--- a/deploy/service.sql
+++ b/deploy/service.sql
@@ -10,7 +10,7 @@ begin;
 set search_path to camper, public;
 
 create table service (
-	service_id serial primary key,
+	service_id integer generated by default as identity primary key,
 	company_id integer not null references company,
 	icon_name text not null references icon,
 	name text not null constraint name_not_empty check(length(trim(name)) > 0),
@@ -21,8 +21,6 @@ grant select on table service to guest;
 grant select on table service to employee;
 grant select, insert, update, delete on table service to admin;
 
-grant usage on sequence service_service_id_seq to admin;
-
 alter table service enable row level security;
 
 create policy guest_ok
diff --git a/deploy/user.sql b/deploy/user.sql
index cb31b28..afd7c23 100644
--- a/deploy/user.sql
+++ b/deploy/user.sql
@@ -9,7 +9,7 @@ begin;
 set search_path to auth, camper, public;
 
 create table "user" (
-	user_id serial primary key,
+	user_id integer generated by default as identity primary key,
 	email email not null unique,
 	name text not null,
 	password text not null check (length(password) < 512),
diff --git a/test/campsite.sql b/test/campsite.sql
index 6177f8f..472570f 100644
--- a/test/campsite.sql
+++ b/test/campsite.sql
@@ -5,7 +5,7 @@ reset client_min_messages;
 
 begin;
 
-select plan(53);
+select plan(47);
 
 set search_path to camper, public;
 
@@ -17,18 +17,11 @@ select table_privs_are('campsite', 'employee', array['SELECT']);
 select table_privs_are('campsite', 'admin', array['SELECT', 'INSERT', 'UPDATE', 'DELETE']);
 select table_privs_are('campsite', 'authenticator', array[]::text[]);
 
-select has_sequence('campsite_campsite_id_seq');
-select sequence_privs_are('campsite_campsite_id_seq', 'guest', array[]::text[]);
-select sequence_privs_are('campsite_campsite_id_seq', 'employee', array[]::text[]);
-select sequence_privs_are('campsite_campsite_id_seq', 'admin', array['USAGE']);
-select sequence_privs_are('campsite_campsite_id_seq', 'authenticator', array[]::text[]);
-
 select has_column('campsite', 'campsite_id');
 select col_is_pk('campsite', 'campsite_id');
 select col_type_is('campsite', 'campsite_id', 'integer');
 select col_not_null('campsite', 'campsite_id');
-select col_has_default('campsite', 'campsite_id');
-select col_default_is('campsite', 'campsite_id', 'nextval(''campsite_campsite_id_seq''::regclass)');
+select col_hasnt_default('campsite', 'campsite_id');
 
 select has_column('campsite', 'company_id');
 select col_is_fk('campsite', 'company_id');
diff --git a/test/campsite_type.sql b/test/campsite_type.sql
index ee11da7..1342c62 100644
--- a/test/campsite_type.sql
+++ b/test/campsite_type.sql
@@ -5,7 +5,7 @@ reset client_min_messages;
 
 begin;
 
-select plan(62);
+select plan(56);
 
 set search_path to camper, public;
 
@@ -16,18 +16,11 @@ select table_privs_are('campsite_type', 'employee', array['SELECT']);
 select table_privs_are('campsite_type', 'admin', array['SELECT', 'INSERT', 'UPDATE', 'DELETE']);
 select table_privs_are('campsite_type', 'authenticator', array[]::text[]);
 
-select has_sequence('campsite_type_campsite_type_id_seq');
-select sequence_privs_are('campsite_type_campsite_type_id_seq', 'guest', array[]::text[]);
-select sequence_privs_are('campsite_type_campsite_type_id_seq', 'employee', array[]::text[]);
-select sequence_privs_are('campsite_type_campsite_type_id_seq', 'admin', array['USAGE']);
-select sequence_privs_are('campsite_type_campsite_type_id_seq', 'authenticator', array[]::text[]);
-
 select has_column('campsite_type', 'campsite_type_id');
 select col_is_pk('campsite_type', 'campsite_type_id');
 select col_type_is('campsite_type', 'campsite_type_id', 'integer');
 select col_not_null('campsite_type', 'campsite_type_id');
-select col_has_default('campsite_type', 'campsite_type_id');
-select col_default_is('campsite_type', 'campsite_type_id', 'nextval(''campsite_type_campsite_type_id_seq''::regclass)');
+select col_hasnt_default('campsite_type', 'campsite_type_id');
 
 select has_column('campsite_type', 'company_id');
 select col_is_fk('campsite_type', 'company_id');
diff --git a/test/company.sql b/test/company.sql
index f7dfe2a..d5d00f6 100644
--- a/test/company.sql
+++ b/test/company.sql
@@ -5,7 +5,7 @@ reset client_min_messages;
 
 begin;
 
-select plan(102);
+select plan(96);
 
 set search_path to camper, public;
 
@@ -16,18 +16,11 @@ select table_privs_are('company', 'employee', array ['SELECT']);
 select table_privs_are('company', 'admin', array ['SELECT', 'UPDATE']);
 select table_privs_are('company', 'authenticator', array []::text[]);
 
-select has_sequence('company_company_id_seq');
-select sequence_privs_are('company_company_id_seq', 'guest', array[]::text[]);
-select sequence_privs_are('company_company_id_seq', 'employee', array[]::text[]);
-select sequence_privs_are('company_company_id_seq', 'admin', array[]::text[]);
-select sequence_privs_are('company_company_id_seq', 'authenticator', array[]::text[]);
-
 select has_column('company', 'company_id');
 select col_is_pk('company', 'company_id');
 select col_type_is('company', 'company_id', 'integer');
 select col_not_null('company', 'company_id');
-select col_has_default('company', 'company_id');
-select col_default_is('company', 'company_id', 'nextval(''company_company_id_seq''::regclass)');
+select col_hasnt_default('company', 'company_id');
 
 select has_column('company', 'slug');
 select col_is_unique('company', 'slug');
diff --git a/test/login_attempt.sql b/test/login_attempt.sql
index b92d16e..abe7520 100644
--- a/test/login_attempt.sql
+++ b/test/login_attempt.sql
@@ -5,7 +5,7 @@ reset client_min_messages;
 
 begin;
 
-select plan(34);
+select plan(28);
 
 set search_path to auth, public;
 
@@ -16,18 +16,11 @@ select table_privs_are('login_attempt', 'employee', array []::text[]);
 select table_privs_are('login_attempt', 'admin', array []::text[]);
 select table_privs_are('login_attempt', 'authenticator', array []::text[]);
 
-select has_sequence('login_attempt_attempt_id_seq');
-select sequence_privs_are('login_attempt_attempt_id_seq', 'guest', array[]::text[]);
-select sequence_privs_are('login_attempt_attempt_id_seq', 'employee', array[]::text[]);
-select sequence_privs_are('login_attempt_attempt_id_seq', 'admin', array[]::text[]);
-select sequence_privs_are('login_attempt_attempt_id_seq', 'authenticator', array[]::text[]);
-
 select has_column('login_attempt', 'attempt_id');
 select col_is_pk('login_attempt', 'attempt_id');
 select col_type_is('login_attempt', 'attempt_id', 'bigint');
 select col_not_null('login_attempt', 'attempt_id');
-select col_has_default('login_attempt', 'attempt_id');
-select col_default_is('login_attempt', 'attempt_id', 'nextval(''login_attempt_attempt_id_seq''::regclass)');
+select col_hasnt_default('login_attempt', 'attempt_id');
 
 select has_column('login_attempt', 'user_name');
 select col_type_is('login_attempt', 'user_name', 'text');
diff --git a/test/media.sql b/test/media.sql
index 91c38c1..3446449 100644
--- a/test/media.sql
+++ b/test/media.sql
@@ -5,7 +5,7 @@ reset client_min_messages;
 
 begin;
 
-select plan(47);
+select plan(41);
 
 set search_path to camper, public;
 
@@ -16,18 +16,11 @@ select table_privs_are('media', 'employee', array['SELECT']);
 select table_privs_are('media', 'admin', array['SELECT', 'INSERT', 'UPDATE', 'DELETE']);
 select table_privs_are('media', 'authenticator', array[]::text[]);
 
-select has_sequence('media_media_id_seq');
-select sequence_privs_are('media_media_id_seq', 'guest', array[]::text[]);
-select sequence_privs_are('media_media_id_seq', 'employee', array[]::text[]);
-select sequence_privs_are('media_media_id_seq', 'admin', array['USAGE']);
-select sequence_privs_are('media_media_id_seq', 'authenticator', array[]::text[]);
-
 select has_column('media', 'media_id');
 select col_is_pk('media', 'media_id');
 select col_type_is('media', 'media_id', 'integer');
 select col_not_null('media', 'media_id');
-select col_has_default('media', 'media_id');
-select col_default_is('media', 'media_id', 'nextval(''media_media_id_seq''::regclass)');
+select col_hasnt_default('media', 'media_id');
 
 select has_column('media', 'company_id');
 select col_is_fk('media', 'company_id');
diff --git a/test/season.sql b/test/season.sql
index 7275cde..1ddfd10 100644
--- a/test/season.sql
+++ b/test/season.sql
@@ -5,7 +5,7 @@ reset client_min_messages;
 
 begin;
 
-select plan(57);
+select plan(51);
 
 set search_path to camper, public;
 
@@ -16,18 +16,11 @@ select table_privs_are('season', 'employee', array['SELECT']);
 select table_privs_are('season', 'admin', array['SELECT', 'INSERT', 'UPDATE', 'DELETE']);
 select table_privs_are('season', 'authenticator', array[]::text[]);
 
-select has_sequence('season_season_id_seq');
-select sequence_privs_are('season_season_id_seq', 'guest', array[]::text[]);
-select sequence_privs_are('season_season_id_seq', 'employee', array[]::text[]);
-select sequence_privs_are('season_season_id_seq', 'admin', array['USAGE']);
-select sequence_privs_are('season_season_id_seq', 'authenticator', array[]::text[]);
-
 select has_column('season', 'season_id');
 select col_is_pk('season', 'season_id');
 select col_type_is('season', 'season_id', 'integer');
 select col_not_null('season', 'season_id');
-select col_has_default('season', 'season_id');
-select col_default_is('season', 'season_id', 'nextval(''season_season_id_seq''::regclass)');
+select col_hasnt_default('season', 'season_id');
 
 select has_column('season', 'company_id');
 select col_is_fk('season', 'company_id');
diff --git a/test/service.sql b/test/service.sql
index f109113..ceaa00d 100644
--- a/test/service.sql
+++ b/test/service.sql
@@ -5,7 +5,7 @@ reset client_min_messages;
 
 begin;
 
-select plan(51);
+select plan(45);
 
 set search_path to camper, public;
 
@@ -16,18 +16,11 @@ select table_privs_are('service', 'employee', array['SELECT']);
 select table_privs_are('service', 'admin', array['SELECT', 'INSERT', 'UPDATE', 'DELETE']);
 select table_privs_are('service', 'authenticator', array[]::text[]);
 
-select has_sequence('service_service_id_seq');
-select sequence_privs_are('service_service_id_seq', 'guest', array[]::text[]);
-select sequence_privs_are('service_service_id_seq', 'employee', array[]::text[]);
-select sequence_privs_are('service_service_id_seq', 'admin', array['USAGE']);
-select sequence_privs_are('service_service_id_seq', 'authenticator', array[]::text[]);
-
 select has_column('service', 'service_id');
 select col_is_pk('service', 'service_id');
 select col_type_is('service', 'service_id', 'integer');
 select col_not_null('service', 'service_id');
-select col_has_default('service', 'service_id');
-select col_default_is('service', 'service_id', 'nextval(''service_service_id_seq''::regclass)');
+select col_hasnt_default('service', 'service_id');
 
 select has_column('service', 'company_id');
 select col_is_fk('service', 'company_id');
diff --git a/test/user.sql b/test/user.sql
index f95472c..3c2feb3 100644
--- a/test/user.sql
+++ b/test/user.sql
@@ -5,7 +5,7 @@ reset client_min_messages;
 
 begin;
 
-select plan(52);
+select plan(46);
 
 set search_path to auth, public;
 
@@ -16,18 +16,11 @@ select table_privs_are('user', 'employee', array []::text[]);
 select table_privs_are('user', 'admin', array []::text[]);
 select table_privs_are('user', 'authenticator', array []::text[]);
 
-select has_sequence('user_user_id_seq');
-select sequence_privs_are('user_user_id_seq', 'guest', array[]::text[]);
-select sequence_privs_are('user_user_id_seq', 'employee', array[]::text[]);
-select sequence_privs_are('user_user_id_seq', 'admin', array[]::text[]);
-select sequence_privs_are('user_user_id_seq', 'authenticator', array[]::text[]);
-
 select has_column('user', 'user_id');
 select col_is_pk('user', 'user_id');
 select col_type_is('user', 'user_id', 'integer');
 select col_not_null('user', 'user_id');
-select col_has_default('user', 'user_id');
-select col_default_is('user', 'user_id', 'nextval(''user_user_id_seq''::regclass)');
+select col_hasnt_default('user', 'user_id');
 
 select has_column('user', 'email');
 select col_is_unique('user', 'email');