Amazon polly NEW voice unsupported

[badstraw360]

Home Assistant release with the issue:
0.82.1

Last working Home Assistant release (if known):
NA

Operating environment (Hass.io/Docker/Windows/etc.):
Docker

Component/platform:
tts/amazon_polly_say

Description of problem:

When I try to use Mia instead of Penelope, I get this error:

Invalid config for [tts.amazon_polly]: value is not allowed for dictionary value @ data['voice']. Got 'Mia'. (See ?, line ?). Please check the docs at https://home-assistant.io/components/tts.amazon_polly/

Problem-relevant configuration.yaml entries and (fill out even if it seems unimportant):

  - platform: amazon_polly
    aws_access_key_id: xxxx
    aws_secret_access_key: xxxx
    region_name: 'us-east-1'
    voice: Mia

Additional information:

The voice is still unsupported... Would you guys add it please?

Penelope works fine..