ec2_ami_copy not supporting encryption

my task:

  • ec2_ami_copy:
    source_region: us-east-1
    region: us-east-1
    source_image_id: “{{ ami_find.results[0].ami_id }}”
    wait: yes
    encrypted: yes
    tags:
    Name: “{{ unencrypted_ami_name }}”
    encrypted: yes

Error:

fatal: [localhost]: FAILED! => {
“changed”: false,
“failed”: true,
“invocation”: {
“module_args”: {
“aws_access_key”: null,
“aws_secret_key”: null,
“description”: “”,
“ec2_url”: null,
“encrypted”: true,
“kms_key_id”: null,
“name”: null,
“profile”: null,
“region”: “us-east-1”,
“security_token”: null,
“source_image_id”: “ami-3ee3fb29”,
“source_region”: “us-east-1”,
“tags”: {
“Name”: “”,
“encrypted”: true
},
“validate_certs”: true,
“wait”: true,
“wait_timeout”: “1200”
},
“module_name”: “ec2_ami_copy”
},
“msg”: “UnknownParameter: The parameter Encrypted is not recognized”