Error when trying to upgrade to v0.20

It complains on not having enough privileges to create extension

root@bulldozer:/srv/funkwhale# sudo -u funkwhale -H -E /srv/funkwhale/virtualenv/bin/python api/manage.py migrate                              
2019-10-04 21:10:57,129 funkwhale_api.config INFO     Loaded env file at /srv/funkwhale/config/.env                                            
2019-10-04 21:10:57,130 funkwhale_api.config INFO     Running with no plugins                                                                  
:0: UserWarning: You do not have a working installation of the service_identity module: 'No module named 'service_identity''.  Please install i
t from <https://pypi.python.org/pypi/service_identity> and make sure all of its dependencies are satisfied.  Without the service_identity modul
e, Twisted can perform only rudimentary TLS client hostname verification.  Many valid certificate/hostname mappings may be rejected.           
Operations to perform:                                                                                                                         
  Apply all migrations: account, admin, auth, authtoken, common, contenttypes, dynamic_preferences, favorites, federation, history, moderation,
 music, playlists, radios, requests, sessions, sites, socialaccount, tags, users                                                               
Running migrations:                                                                                                                            
  Applying common.0003_cit_extension...Traceback (most recent call last):                                                                      
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/db/backends/utils.py", line 84, in _execute                              
    return self.cursor.execute(sql, params)
psycopg2.errors.InsufficientPrivilege: se ha denegado el permiso para crear la extensión «citext»
HINT:  Debe ser superusuario para crear esta extensión.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "api/manage.py", line 20, in <module>
    execute_from_command_line(sys.argv)
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
    utility.execute()
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/core/management/__init__.py", line 375, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/core/management/base.py", line 323, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/core/management/base.py", line 364, in execute
    output = self.handle(*args, **options)
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/core/management/base.py", line 83, in wrapped
    res = handle_func(*args, **kwargs)
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/core/management/commands/migrate.py", line 234, in handle
    fake_initial=fake_initial,
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/db/migrations/executor.py", line 117, in migrate
    state = self._migrate_all_forwards(state, plan, full_plan, fake=fake, fake_initial=fake_initial)
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/db/migrations/executor.py", line 147, in _migrate_all_forwards
    state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial)
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/db/migrations/executor.py", line 245, in apply_migration
    state = migration.apply(state, schema_editor)
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/db/migrations/migration.py", line 124, in apply
    operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
  File "/srv/funkwhale/api/funkwhale_api/common/migrations/0003_cit_extension.py", line 15, in database_forwards
    return super().database_forwards(app_label, schema_editor, from_state, to_state)
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/contrib/postgres/operations.py", line 19, in database_forwards
    schema_editor.execute("CREATE EXTENSION IF NOT EXISTS %s" % schema_editor.quote_name(self.name))
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/db/backends/base/schema.py", line 137, in execute
    cursor.execute(sql, params)
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/db/backends/utils.py", line 67, in execute
    return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/db/backends/utils.py", line 76, in _execute_with_wrappers
    return executor(sql, params, many, context)
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/db/backends/utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/db/utils.py", line 89, in __exit__
    raise dj_exc_value.with_traceback(traceback) from exc_value
  File "/srv/funkwhale/virtualenv/lib/python3.7/site-packages/django/db/backends/utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)
django.db.utils.ProgrammingError: se ha denegado el permiso para crear la extensión «citext»
HINT:  Debe ser superusuario para crear esta extensión.